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 ---
-license: apache-2.0
 library_name: transformers
 tags:
-  - vision
-  - image-text-to-text
-  - multimodal
-  - test-model
-  - tiny-model
-  - openvino
-  - optimum-intel
-pipeline_tag: image-text-to-text
 ---
-# Tiny Random MiniCPM-o-2_6
-## Model Description
-This is a **tiny random-initialized version** of the [openbmb/MiniCPM-o-2_6](https://huggingface.co/openbmb/MiniCPM-o-2_6) multimodal vision-language model, designed specifically for **testing and CI/CD purposes** in the [optimum-intel](https://github.com/huggingface/optimum-intel) library.
-**⚠️ Important**: This model has randomly initialized weights and is NOT intended for actual inference. It is designed solely for:
-- Testing model loading and export functionality
-- CI/CD pipeline validation
-- OpenVINO conversion testing ✅
-- Quantization workflow testing
-## Model Specifications
-- **Architecture**: MiniCPM-o-2_6 (multimodal: vision + text + audio + TTS)
-- **Parameters**: 17,390,468 (~17.4M parameters)
-- **Model Binary Size**: 66.45 MB
-- **Total Repository Size**: ~82 MB
-- **Original Model**: [openbmb/MiniCPM-o-2_6](https://huggingface.co/openbmb/MiniCPM-o-2_6) (~18 GB)
-- **Size Reduction**: 219× smaller than the full model
-- **OpenVINO Export**: ✅ Fully supported
-- **All Components Enabled**: vision, audio, and TTS modules initialized
-## Architecture Details
-### Language Model (LLM) Component
-- `num_hidden_layers`: 2 (reduced from 40)
-- `hidden_size`: 256 (reduced from 2048)
-- `intermediate_size`: 512 (reduced from 8192)
-- `num_attention_heads`: 4 (reduced from 32)
-- `vocab_size`: 320 (reduced from 151,700)
-- `max_position_embeddings`: 128 (reduced from 8192)
-### Vision Component (SigLIP-based)
-- `hidden_size`: 8
-- `num_hidden_layers`: 1
-### Audio Component (Whisper-based)
-- `d_model`: 64
-- `encoder_layers`: 1
-- `decoder_layers`: 1
-### TTS Component
-- `hidden_size`: 8
-- `num_layers`: 1
-All architectural components are present and properly initialized, ensuring full compatibility with OpenVINO export and testing workflows.
 ## Usage
-### Loading with Transformers
 ```python
-from transformers import AutoModelForCausalLM, AutoProcessor
-import torch
-model_id = "arashkermani/tiny-random-MiniCPM-o-2_6"
-# Load model
-model = AutoModelForCausalLM.from_pretrained(
-    model_id,
     trust_remote_code=True,
-    torch_dtype=torch.float32,
-    device_map="cpu"
 )
-# Load processor
-processor = AutoProcessor.from_pretrained(
-    model_id,
-    trust_remote_code=True
 )
-# Test forward pass
-input_ids = torch.randint(0, 320, (1, 5))
-position_ids = torch.arange(5).unsqueeze(0)
-data = {
-    "input_ids": input_ids,
-    "pixel_values": [[]],
-    "tgt_sizes": [[]],
-    "image_bound": [[]],
-    "position_ids": position_ids,
-}
-with torch.no_grad():
-    outputs = model(data=data)
-print(f"Logits shape: {outputs.logits.shape}")  # (1, 5, 320)
 ```
-### Using with Optimum-Intel (OpenVINO)
 ```python
-from optimum.intel.openvino import OVModelForVisualCausalLM
-from transformers import AutoProcessor
-model_id = "arashkermani/tiny-random-MiniCPM-o-2_6"
-# Load model for OpenVINO
-model = OVModelForVisualCausalLM.from_pretrained(
-    model_id,
-    trust_remote_code=True,
-    export=True
 )
-processor = AutoProcessor.from_pretrained(
-    model_id,
-    trust_remote_code=True
 )
 ```
-### Export to OpenVINO
-```bash
-optimum-cli export openvino \
-  -m arashkermani/tiny-random-MiniCPM-o-2_6 \
-  minicpm-o-openvino \
-  --task=image-text-to-text \
-  --trust-remote-code
 ```
-## Intended Use
-This model is intended **exclusively** for:
-- ✅ Testing optimum-intel OpenVINO export functionality
-- ✅ CI/CD pipeline validation
-- ✅ Model loading and compatibility testing
-- ✅ Quantization workflow testing
-- ✅ Fast prototyping and debugging
-**Not intended for**:
-- ❌ Production inference
-- ❌ Actual image-text-to-text tasks
-- ❌ Model quality evaluation
-- ❌ Benchmarking performance metrics
-## Training Details
-This model was generated by:
-1. Loading the config from `openbmb/MiniCPM-o-2_6`
-2. Reducing all dimensions to minimal viable values
-3. Initializing weights randomly using `AutoModelForCausalLM.from_config()`
-4. Keeping all components (vision, audio, TTS) enabled for full compatibility
-5. Copying all necessary tokenizer, processor, and custom code files
-**No training was performed** - all weights are randomly initialized.
-## Validation Results
-The model has been validated to ensure:
-- ✅ Loads with `trust_remote_code=True`
-- ✅ Compatible with transformers AutoModel APIs
-- ✅ Supports forward pass with expected input format
-- ✅ **Compatible with OpenVINO export via optimum-intel**
-- ✅ Includes all required custom modules and artifacts
-- ✅ All multimodal components (vision/audio/TTS) properly initialized
-## Comparison with Previous Versions
-| Metric | v1 (components disabled) | v2 (this version) |
-|--------|-------------------------|-------------------|
-| Parameters | 1.48M | 17.4M |
-| Total Size | 21 MB | 82 MB |
-| OpenVINO Export | ❌ Not supported | ✅ Fully supported |
-| Vision Module | ❌ Disabled | ✅ Enabled |
-| Audio Module | ❌ Disabled | ✅ Enabled |
-| TTS Module | ❌ Disabled | ✅ Enabled |
-**Recommendation**: Use this version for full test coverage including OpenVINO export tests.
-## Files Included
-- `config.json` - Model configuration
-- `pytorch_model.bin` - Model weights (66.45 MB)
-- `generation_config.json` - Generation parameters
-- `preprocessor_config.json` - Preprocessor configuration
-- `processor_config.json` - Processor configuration
-- `tokenizer_config.json` - Tokenizer configuration
-- `tokenizer.json` - Fast tokenizer
-- `vocab.json` - Vocabulary
-- `merges.txt` - BPE merges
-- Custom Python modules:
-  - `modeling_minicpmo.py`
-  - `configuration_minicpm.py`
-  - `processing_minicpmo.py`
-  - `image_processing_minicpmv.py`
-  - `tokenization_minicpmo_fast.py`
-  - `modeling_navit_siglip.py`
-  - `resampler.py`
-  - `utils.py`
-## Related Models
-- Original model: [openbmb/MiniCPM-o-2_6](https://huggingface.co/openbmb/MiniCPM-o-2_6)
-- Previous test model: [optimum-intel-internal-testing/tiny-random-MiniCPM-o-2_6](https://huggingface.co/optimum-intel-internal-testing/tiny-random-MiniCPM-o-2_6)
-## License
-This model follows the same license as the original MiniCPM-o-2_6 model (Apache 2.0).
-## Citation
-If you use this test model in your CI/CD or testing infrastructure, please reference:
-```bibtex
-@misc{tiny-minicpm-o-2_6,
-  author = {Arash Kermani},
-  title = {Tiny Random MiniCPM-o-2_6 for Testing},
-  year = {2026},
-  publisher = {HuggingFace},
-  howpublished = {\url{https://huggingface.co/arashkermani/tiny-random-MiniCPM-o-2_6}}
-}
 ```
-## Contact
-For issues or questions about this test model, please open an issue in the [optimum-intel repository](https://github.com/huggingface/optimum-intel/issues).

 ---
+pipeline_tag: any-to-any
+datasets:
+- openbmb/RLAIF-V-Dataset
 library_name: transformers
+language:
+- multilingual
 tags:
+- minicpm-o
+- omni
+- vision
+- ocr
+- multi-image
+- video
+- custom_code
+- audio
+- speech
+- voice cloning
+- live Streaming
+- realtime speech conversation
+- asr
+- tts
+license: apache-2.0
 ---
+<h1>A GPT-4o Level MLLM for Vision, Speech and Multimodal Live Streaming on Your Phone</h1>
+[GitHub](https://github.com/OpenBMB/MiniCPM-o) | [Online Demo](https://minicpm-omni-webdemo-us.modelbest.cn) | [Technical Blog](https://openbmb.notion.site/MiniCPM-o-2-6-A-GPT-4o-Level-MLLM-for-Vision-Speech-and-Multimodal-Live-Streaming-on-Your-Phone-185ede1b7a558042b5d5e45e6b237da9) | [Join Us](https://mp.weixin.qq.com/mp/wappoc_appmsgcaptcha?poc_token=HAV8UWijqB3ImPSXecZHlOns7NRgpQw9y9EI2_fE&target_url=https%3A%2F%2Fmp.weixin.qq.com%2Fs%2FKIhH2nCURBXuFXAtYRpuXg%3F)
+### News
+* [2025.06.20] ⭐️⭐️⭐️ Our official [ollama repository](https://ollama.com/openbmb) is released. Try our latest models with [one click](https://ollama.com/openbmb/minicpm-o2.6)！
+* [2025.03.01] 🚀🚀🚀 RLAIF-V, which is the alignment technique of MiniCPM-o, is accepted by CVPR 2025！The [code](https://github.com/RLHF-V/RLAIF-V), [dataset](https://huggingface.co/datasets/openbmb/RLAIF-V-Dataset), [paper](https://arxiv.org/abs/2405.17220) are open-sourced!
+* [2025.01.24] 📢📢📢 MiniCPM-o 2.6 technical report is released! [See Here](https://openbmb.notion.site/MiniCPM-o-2-6-A-GPT-4o-Level-MLLM-for-Vision-Speech-and-Multimodal-Live-Streaming-on-Your-Phone-185ede1b7a558042b5d5e45e6b237da9).
+* [2025.01.19] ⭐️⭐️⭐️ MiniCPM-o tops GitHub Trending and reaches top-2 on Hugging Face Trending!
+## MiniCPM-o 2.6
+**MiniCPM-o 2.6** is the latest and most capable model in the MiniCPM-o series. The model is built in an end-to-end fashion based on SigLip-400M, Whisper-medium-300M, ChatTTS-200M, and Qwen2.5-7B with a total of 8B parameters. It exhibits a significant performance improvement over MiniCPM-V 2.6, and introduces new features for real-time speech conversation and multimodal live streaming. Notable features of MiniCPM-o 2.6 include:
+- 🔥 **Leading Visual Capability.**
+  MiniCPM-o 2.6 achieves an average score of 70.2 on OpenCompass, a comprehensive evaluation over 8 popular benchmarks. **With only 8B parameters, it surpasses widely used proprietary models like GPT-4o-202405, Gemini 1.5 Pro, and Claude 3.5 Sonnet** for single image understanding. It also **outperforms GPT-4V and Claude 3.5 Sonnet** in mutli-image and video understanding, and shows promising in-context learning capability.
+- 🎙 **State-of-the-art Speech Capability.** MiniCPM-o 2.6 supports **bilingual real-time speech conversation with configurable voices** in English and Chinese. It **outperforms GPT-4o-realtime on audio understanding tasks** such as ASR and STT translation, and shows **state-of-the-art performance on speech conversation in both semantic and acoustic evaluations in the open-source community**. It also allows for fun features such as emotion/speed/style control, end-to-end voice cloning, role play, etc.
+- 🎬 **Strong Multimodal Live Streaming Capability.** As a new feature, MiniCPM-o 2.6 can **accept continous video and audio streams independent of user queries, and support real-time speech interaction**. It **outperforms GPT-4o-202408 and Claude 3.5 Sonnet and shows state-of-art performance in open-source community on StreamingBench**, a comprehensive benchmark for real-time video understanding, omni-source (video & audio) understanding, and multimodal contextual understanding.
+- 💪 **Strong OCR Capability and Others.**
+Advancing popular visual capabilites from MiniCPM-V series, MiniCPM-o 2.6 can process images with any aspect ratio and up to 1.8 million pixels (e.g., 1344x1344). It achieves **state-of-the-art performance on OCRBench for models under 25B, surpassing proprietary models such as GPT-4o-202405**.
+  Based on the the latest [RLAIF-V](https://github.com/RLHF-V/RLAIF-V/) and [VisCPM](https://github.com/OpenBMB/VisCPM) techniques, it features **trustworthy behaviors**, outperforming GPT-4o and Claude 3.5 Sonnet on MMHal-Bench, and supports **multilingual capabilities** on more than 30 languages.
+- 🚀 **Superior Efficiency.**
+  In addition to its friendly size, MiniCPM-o 2.6 also shows **state-of-the-art token density** (i.e., number of pixels encoded into each visual token). **It produces only 640 tokens when processing a 1.8M pixel image, which is 75% fewer than most models**. This directly improves the inference speed, first-token latency, memory usage, and power consumption. As a result, MiniCPM-o 2.6 can efficiently support **multimodal live streaming** on end-side devices such as iPad.
+-  💫  **Easy Usage.**
+MiniCPM-o 2.6 can be easily used in various ways: (1) [llama.cpp](https://github.com/OpenBMB/llama.cpp/blob/minicpm-omni/examples/llava/README-minicpmo2.6.md) support for efficient CPU inference on local devices, (2) [int4](https://huggingface.co/openbmb/MiniCPM-o-2_6-int4) and [GGUF](https://huggingface.co/openbmb/MiniCPM-o-2_6-gguf) format quantized models in 16 sizes, (3) [vLLM](#efficient-inference-with-llamacpp-ollama-vllm) support for high-throughput and memory-efficient inference, (4) fine-tuning on new domains and tasks with [LLaMA-Factory](./docs/llamafactory_train.md), (5) quick local WebUI demo setup with [Gradio](#chat-with-our-demo-on-gradio), and (6) online web demo on [server](https://minicpm-omni-webdemo-us.modelbest.cn/).
+**Model Architecture.**
+- **End-to-end Omni-modal Architecture.** Different modality encoder/decoders are connected and trained in an **end-to-end** fashion to fully exploit rich multimodal knowledge.
+- **Omni-modal Live Streaming Mechanism.** (1) We change the offline modality encoder/decoders into online ones for **streaminig inputs/outputs.** (2) We devise a **time-division multiplexing (TDM) mechanism** for omni-modality streaminig processing in the LLM backbone. It divides parallel omni-modality streams into sequential info within small periodic time slices.
+- **Configurable Speech Modeling Design.** We devise a multimodal system prompt, including traditional text system prompt, and **a new audio system prompt to determine the assistant voice**. This enables flexible voice configurations in inference time, and also facilitates end-to-end voice cloning and description-based voice creation.
+<div align="center">
+<img src="https://github.com/OpenBMB/MiniCPM-o/raw/main/assets/minicpm-o-26-framework-v2.png" , width=100%>
+</div>
+### Evaluation  <!-- omit in toc -->
+<div align="center">
+    <img src="https://github.com/OpenBMB/MiniCPM-o/raw/main/assets/radar.jpg" width=90% />
+</div>
+#### Visual understanding results
+**Image Understanding:**
+<div align="center">
+<table style="margin: 0px auto;">
+    <thead>
+        <tr>
+            <th align="left">Model</th>
+            <th>Size</th>
+            <th>Token Density<sup>+</sup></th>
+            <th>OpenCompass</th>
+            <th>OCRBench</th>
+            <th>MathVista mini</th>
+            <th>ChartQA</th>
+            <th>MMVet</th>
+            <th>MMStar</th>
+            <th>MME</th>
+            <th>MMB1.1 test</th>
+            <th>AI2D</th>
+            <th>MMMU val</th>
+            <th>HallusionBench</th>
+            <th>TextVQA val</th>
+            <th>DocVQA test</th>
+            <th>MathVerse mini</th>
+            <th>MathVision</th>
+            <th>MMHal Score</th>
+        </tr>
+    </thead>
+    <tbody align="center">
+        <tr>
+            <td colspan="19" align="left"><strong>Proprietary</strong></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">GPT-4o-20240513</td>
+            <td>-</td>
+            <td>1088</td>
+            <td><u>69.9</u></td>
+            <td>736</td>
+            <td>61.3</td>
+            <td>85.7</td>
+            <td><strong>69.1</strong></td>
+            <td>63.9</td>
+            <td>2328.7</td>
+            <td>82.2</td>
+            <td>84.6</td>
+            <td><strong>69.2</strong></td>
+            <td><strong>55.0</strong></td>
+            <td>-</td>
+            <td>92.8</td>
+            <td><strong>50.2</strong></td>
+            <td><strong>30.4</strong></td>
+            <td><u>3.6</u></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Claude3.5-Sonnet</td>
+            <td>-</td>
+            <td>750</td>
+            <td>67.9</td>
+            <td>788</td>
+            <td>61.6</td>
+            <td><strong>90.8</strong></td>
+            <td>66.0</td>
+            <td>62.2</td>
+            <td>1920.0</td>
+            <td>78.5</td>
+            <td>80.2</td>
+            <td><u>65.9</u></td>
+            <td>49.9</td>
+            <td>-</td>
+            <td><strong>95.2</strong></td>
+            <td>-</td>
+            <td>-</td>
+            <td>3.4</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Gemini 1.5 Pro</td>
+            <td>-</td>
+            <td>-</td>
+            <td>64.4</td>
+            <td>754</td>
+            <td>57.7</td>
+            <td>81.3</td>
+            <td>64.0</td>
+            <td>59.1</td>
+            <td>2110.6</td>
+            <td>73.9</td>
+            <td>79.1</td>
+            <td>60.6</td>
+            <td>45.6</td>
+            <td>73.5</td>
+            <td>86.5</td>
+            <td>-</td>
+            <td>19.2</td>
+            <td>-</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">GPT-4o-mini-20240718</td>
+            <td>-</td>
+            <td>1088</td>
+            <td>64.1</td>
+            <td>785</td>
+            <td>52.4</td>
+            <td>-</td>
+            <td>66.9</td>
+            <td>54.8</td>
+            <td>2003.4</td>
+            <td>76.0</td>
+            <td>77.8</td>
+            <td>60.0</td>
+            <td>46.1</td>
+            <td>-</td>
+            <td>-</td>
+            <td>-</td>
+            <td>-</td>
+            <td>3.3</td>
+        </tr>
+        <tr>
+            <td colspan="19" align="left"><strong>Open Source</strong></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Cambrian-34B</td>
+            <td>34B</td>
+            <td><u>1820</u></td>
+            <td>58.3</td>
+            <td>591</td>
+            <td>50.3</td>
+            <td>75.6</td>
+            <td>53.2</td>
+            <td>54.2</td>
+            <td>2049.9</td>
+            <td>77.8</td>
+            <td>79.5</td>
+            <td>50.4</td>
+            <td>41.6</td>
+            <td>76.7</td>
+            <td>75.5</td>
+            <td>-</td>
+            <td>-</td>
+            <td>-</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">GLM-4V-9B</td>
+            <td>13B</td>
+            <td>784</td>
+            <td>59.1</td>
+            <td>776</td>
+            <td>51.1</td>
+            <td>-</td>
+            <td>58.0</td>
+            <td>54.8</td>
+            <td>2018.8</td>
+            <td>67.9</td>
+            <td>71.2</td>
+            <td>46.9</td>
+            <td>45.0</td>
+            <td>-</td>
+            <td>-</td>
+            <td>-</td>
+            <td>-</td>
+            <td>-</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Pixtral-12B</td>
+            <td>12B</td>
+            <td>256</td>
+            <td>61.0</td>
+            <td>685</td>
+            <td>56.9</td>
+            <td>81.8</td>
+            <td>58.5</td>
+            <td>54.5</td>
+            <td>-</td>
+            <td>72.7</td>
+            <td>79.0</td>
+            <td>51.1</td>
+            <td>47.0</td>
+            <td>75.7</td>
+            <td>90.7</td>
+            <td>-</td>
+            <td>-</td>
+            <td>-</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">DeepSeek-VL2-27B (4B)</td>
+            <td>27B</td>
+            <td>672</td>
+            <td>66.4</td>
+            <td>809</td>
+            <td>63.9</td>
+            <td>86.0</td>
+            <td>60.0</td>
+            <td>61.9</td>
+            <td>2253.0</td>
+            <td>81.2</td>
+            <td>83.8</td>
+            <td>54.0</td>
+            <td>45.3</td>
+            <td><u>84.2</u></td>
+            <td>93.3</td>
+            <td>-</td>
+            <td>-</td>
+            <td>3.0</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Qwen2-VL-7B</td>
+            <td>8B</td>
+            <td>784</td>
+            <td>67.1</td>
+            <td><u>866</u></td>
+            <td>58.2</td>
+            <td>83.0</td>
+            <td>62.0</td>
+            <td>60.7</td>
+            <td>2326.0</td>
+            <td>81.8</td>
+            <td>83.0</td>
+            <td>54.1</td>
+            <td>50.6</td>
+            <td><strong>84.3</strong></td>
+            <td><u>94.5</u></td>
+            <td>31.9</td>
+            <td>16.3</td>
+            <td>3.2</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">LLaVA-OneVision-72B</td>
+            <td>72B</td>
+            <td>182</td>
+            <td>68.1</td>
+            <td>741</td>
+            <td>67.5</td>
+            <td>83.7</td>
+            <td>60.6</td>
+            <td><strong>65.8</strong></td>
+            <td>2261.0</td>
+            <td><strong>85.0</strong></td>
+            <td><u>85.6</u></td>
+            <td>56.8</td>
+            <td>49.0</td>
+            <td>80.5</td>
+            <td>91.3</td>
+            <td>39.1</td>
+            <td>-</td>
+            <td>3.5</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">InternVL2.5-8B</td>
+            <td>8B</td>
+            <td>706</td>
+            <td>68.3</td>
+            <td>822</td>
+            <td><u>64.4</u></td>
+            <td>84.8</td>
+            <td>62.8</td>
+            <td>62.8</td>
+            <td>2344.0</td>
+            <td><u>83.6</u></td>
+            <td>84.5</td>
+            <td>56.0</td>
+            <td>50.1</td>
+            <td>79.1</td>
+            <td>93.0</td>
+            <td>39.5</td>
+            <td>19.7</td>
+            <td>3.4</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">MiniCPM-V 2.6</td>
+            <td>8B</td>
+            <td><strong>2822</strong></td>
+            <td>65.2</td>
+            <td>852*</td>
+            <td>60.6</td>
+            <td>79.4</td>
+            <td>60.0</td>
+            <td>57.5</td>
+            <td><u>2348.4*</u></td>
+            <td>78.0</td>
+            <td>82.1</td>
+            <td>49.8*</td>
+            <td>48.1*</td>
+            <td>80.1</td>
+            <td>90.8</td>
+            <td>25.7</td>
+            <td>18.3</td>
+            <td>3.6</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">MiniCPM-o 2.6</td>
+            <td>8B</td>
+            <td><strong>2822</strong></td>
+            <td><strong>70.2</strong></td>
+            <td><strong>897*</strong></td>
+            <td><strong>71.9*</strong></td>
+            <td><u>86.9*</u></td>
+            <td><u>67.5</u></td>
+            <td><u>64.0</u></td>
+            <td><strong>2372.0*</strong></td>
+            <td>80.5</td>
+            <td><strong>85.8</strong></td>
+            <td>50.4*</td>
+            <td><u>51.9</u></td>
+            <td>82.0</td>
+            <td>93.5</td>
+            <td><u>41.4*</u></td>
+            <td><u>23.1*</u></td>
+            <td><strong>3.8</strong></td>
+        </tr>
+    </tbody>
+</table>
+</div>
+* We evaluate this benchmark using chain-of-thought prompting. Specifically, for MME, we used this technique only for the Cognition set.
+<sup>+</sup> Token Density: number of pixels encoded into each visual token at maximum resolution, i.e., # pixels at maximum resolution / # visual tokens.
+Note: For proprietary models, we calculate token density based on the image encoding charging strategy defined in the official API documentation, which provides an upper-bound estimation.
+**Multi-image and Video Understanding:**
+<details>
+<summary>click to view</summary>
+<div align="center">
+<table style="margin: 0px auto;">
+    <thead>
+        <tr>
+            <th align="left">Model</th>
+            <th>Size</th>
+            <th>BLINK val</th>
+            <th>Mantis Eval</th>
+            <th>MIRB</th>
+            <th>Video-MME (wo / w subs)</th>
+        </tr>
+    </thead>
+    <tbody align="center">
+        <tr>
+            <td colspan="6" align="left"><strong>Proprietary</strong></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">GPT-4o-20240513</td>
+            <td>-</td>
+            <td><strong>68.0</strong></td>
+            <td>-</td>
+            <td>-</td>
+            <td><strong>71.9/77.2<strong></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">GPT4V</td>
+            <td>-</td>
+            <td>54.6</td>
+            <td>62.7</td>
+            <td>53.1</td>
+            <td>59.9/63.3</td>
+        </tr>
+        <tr>
+            <td colspan="6" align="left"><strong>Open-source</strong></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">LLaVA-NeXT-Interleave 14B</td>
+            <td>14B</td>
+            <td>52.6</td>
+            <td>66.4</td>
+            <td>30.2</td>
+            <td>-</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">LLaVA-OneVision-72B</td>
+            <td>72B</td>
+            <td>55.4</td>
+            <td><strong>77.6</strong></td>
+            <td>-</td>
+            <td><u>66.2/69.5</u></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">MANTIS 8B</td>
+            <td>8B</td>
+            <td>49.1</td>
+            <td>59.5</td>
+            <td>34.8</td>
+            <td>-</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Qwen2-VL-7B</td>
+            <td>8B</td>
+            <td>53.2</td>
+            <td>69.6*</td>
+            <td><strong>67.6*</strong></td>
+            <td>63.3/69.0</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">InternVL2.5-8B</td>
+            <td>8B</td>
+            <td>54.8</td>
+            <td>67.7</td>
+            <td>52.5</td>
+            <td>64.2/66.9</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">MiniCPM-V 2.6</td>
+            <td>8B</td>
+            <td>53.0</td>
+            <td>69.1</td>
+            <td>53.8</td>
+            <td>60.9/63.6</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">MiniCPM-o 2.6</td>
+            <td>8B</td>
+            <td><u>56.7</u></td>
+            <td><u>71.9</u></td>
+            <td><u>58.6</u></td>
+            <td>63.9/67.9</td>
+        </tr>
+    </tbody>
+</table>
+</div>
+* We evaluate officially released checkpoints by ourselves.
+</details>
+#### Audio understanding and speech conversation results.
+**Audio Understanding:**
+<div align="center">
+<table style="margin: 0px auto;">
+    <thead>
+        <tr>
+            <th align="left">Task</th>
+            <th>Size</th>
+            <th colspan="3">ASR (zh)</th>
+            <th colspan="3">ASR (en)</th>
+            <th colspan="2">AST</th>
+            <th>Emotion</th>
+        </tr>
+        <tr>
+            <th align="left">Metric</th>
+            <td></td>
+            <th colspan="3">CER↓</th>
+            <th colspan="3">WER↓</th>
+            <th colspan="2">BLEU↑</th>
+            <th>ACC↑</th>
+        </tr>
+        <tr>
+            <th align="left">Dataset</th>
+            <td></td>
+            <th>AISHELL-1</th>
+            <th>Fleurs zh</th>
+            <th>WenetSpeech test-net</th>
+            <th>LibriSpeech test-clean</th>
+            <th>GigaSpeech</th>
+            <th>TED-LIUM</th>
+            <th>CoVoST en2zh</th>
+            <th>CoVoST zh2en</th>
+            <th>MELD emotion</th>
+        </tr>
+    </thead>
+    <tbody align="center">
+        <tr>
+            <td colspan="11" align="left"><strong>Proprietary</strong></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">GPT-4o-Realtime</td>
+            <td>-</td>
+            <td>7.3*</td>
+            <td><u>5.4*</u></td>
+            <td>28.9*</td>
+            <td>2.6*</td>
+            <td>12.9*</td>
+            <td>4.8*</td>
+            <td>37.1*</td>
+            <td>15.7*</td>
+            <td>33.2*</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Gemini 1.5 Pro</td>
+            <td>-</td>
+            <td>4.5*</td>
+            <td>5.9*</td>
+            <td>14.3*</td>
+            <td>2.9*</td>
+            <td>10.6*</td>
+            <td><strong>3.0*</strong></td>
+            <td><u>47.3*</u></td>
+            <td>22.6*</td>
+            <td>48.4*</td>
+        </tr>
+        <tr>
+            <td colspan="11" align="left"><strong>Open-Source</strong></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Qwen2-Audio-7B</td>
+            <td>8B</td>
+            <td>-</td>
+            <td>7.5</td>
+            <td>-</td>
+            <td><strong>1.6</strong></td>
+            <td>-</td>
+            <td>-</td>
+            <td>45.2</td>
+            <td><u>24.4</u></td>
+            <td><strong>55.3</strong></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Qwen2-Audio-7B-Instruct</td>
+            <td>8B</td>
+            <td>2.6*</td>
+            <td>6.9*</td>
+            <td><u>10.3*</u></td>
+            <td>3.1*</td>
+            <td><u>9.7</u>*</td>
+            <td>5.9*</td>
+            <td>39.5*</td>
+            <td>22.9*</td>
+            <td>17.4*</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">GLM-4-Voice-Base</td>
+            <td>9B</td>
+            <td><u>2.5</u></td>
+            <td>-</td>
+            <td>-</td>
+            <td>2.8</td>
+            <td>-</td>
+            <td>-</td>
+            <td>-</td>
+            <td>-</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">MiniCPM-o 2.6</td>
+            <td>8B</td>
+            <td><strong>1.6</strong></td>
+            <td><strong>4.4</strong></td>
+            <td><strong>6.9</strong></td>
+            <td><u>1.7</u></td>
+            <td><strong>8.7</strong></td>
+            <td><strong>3.0</strong></td>
+            <td><strong>48.2</strong></td>
+            <td><strong>27.2</strong></td>
+            <td><u>52.4</u></td>
+        </tr>
+    </tbody>
+</table>
+</div>
+* We evaluate officially released checkpoints by ourselves.<br><br>
+**Speech Generation:**
+<div align="center">
+<table style="margin: 0px auto;">
+    <thead>
+        <tr>
+            <th align="left">Task</th>
+            <th>Size</th>
+            <th colspan="9">SpeechQA</th>
+        </tr>
+        <tr>
+            <th align="left">Metric</th>
+            <th></th>
+            <th colspan="3">ACC↑</th>
+            <th>G-Eval (10 point)↑</th>
+            <th>Semantic ELO score↑</th>
+            <th>Acoustic ELO score↑</th>
+            <th>Overall ELO score↑</th>
+            <th>UTMOS↑</th>
+            <th>ASR-WER↓</th>
+        </tr>
+        <tr>
+            <th align="left">Dataset</th>
+            <th></th>
+            <th>Speech Llama Q.</th>
+            <th>Speech Web Q.</th>
+            <th>Speech Trivia QA</th>
+            <th>Speech AlpacaEval</th>
+            <th colspan="5">AudioArena</th>
+        </tr>
+    </thead>
+    <tbody align="center">
+        <tr>
+            <td colspan="11" align="left"><strong>Proprietary</strong></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">GPT-4o-Realtime</td>
+            <td></td>
+            <td><strong>71.7</strong></td>
+            <td><strong>51.6</strong></td>
+            <td><strong>69.7</strong></td>
+            <td><strong>7.4</strong></td>
+            <td><strong>1157</strong></td>
+            <td><strong>1203</strong></td>
+            <td><strong>1200</strong></td>
+            <td><strong>4.2</strong></td>
+            <td><strong>2.3</strong></td>
+        </tr>
+        <tr>
+            <td colspan="11" align="left"><strong>Open-Source</strong></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">GLM-4-Voice</td>
+            <td>9B</td>
+            <td>50.0</td>
+            <td>32.0</td>
+            <td>36.4</td>
+            <td><u>5.1</u></td>
+            <td>999</td>
+            <td>1147</td>
+            <td>1035</td>
+            <td><u>4.1</u></td>
+            <td><u>11.7</u></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Llama-Omni</td>
+            <td>8B</td>
+            <td>45.3</td>
+            <td>22.9</td>
+            <td>10.7</td>
+            <td>3.9</td>
+            <td>960</td>
+            <td>878</td>
+            <td>897</td>
+            <td>3.2</td>
+            <td>24.3</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Moshi</td>
+            <td>7B</td>
+            <td>43.7</td>
+            <td>23.8</td>
+            <td>16.7</td>
+            <td>2.4</td>
+            <td>871</td>
+            <td>808</td>
+            <td>875</td>
+            <td>2.8</td>
+            <td>8.2</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Mini-Omni</td>
+            <td>1B</td>
+            <td>22.0</td>
+            <td>12.8</td>
+            <td>6.9</td>
+            <td>2.5</td>
+            <td>926</td>
+            <td>803</td>
+            <td>865</td>
+            <td>3.4</td>
+            <td>10.0</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">MiniCPM-o 2.6</td>
+            <td>8B</td>
+            <td><u>61.0</u></td>
+            <td><u>40.0</u></td>
+            <td><u>40.2</u></td>
+            <td><u>5.1</u></td>
+            <td><u>1088</u></td>
+            <td><u>1163</u></td>
+            <td><u>1131</u></td>
+            <td><strong>4.2</strong></td>
+            <td>9.8</td>
+        </tr>
+    </tbody>
+</table>
+</div>
+All results are from AudioEvals, and the evaluation methods along with further details can be found in <a href="https://github.com/OpenBMB/UltraEval-Audio" target="_blank">UltraEval-Audio</a>.<br><br>
+**End-to-end Voice Cloning**
+<div align="center">
+<table style="margin: 0px auto;">
+    <thead>
+        <tr>
+            <th align="left">Task</th>
+            <th colspan="2">Voice cloning</th>
+        </tr>
+        <tr>
+            <th align="left">Metric</th>
+            <th>SIMO↑</th>
+            <th>SIMO↑</th>
+        </tr>
+        <tr>
+            <th align="left">Dataset</th>
+            <th>Seed-TTS test-zh</th>
+            <th>Seed-TTS test-en</th>
+        </tr>
+    </thead>
+    <tbody align="center">
+        <tr>
+            <td nowrap="nowrap" align="left">F5-TTS</td>
+            <td><strong>76</strong></td>
+            <td><strong>67</strong></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">CosyVoice</td>
+            <td><u>75</u></td>
+            <td><u>64</u></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">FireRedTTS</td>
+            <td>63</td>
+            <td>46</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">MiniCPM-o 2.6</td>
+            <td>57</td>
+            <td>47</td>
+        </tr>
+    </tbody>
+</table>
+</div>
+#### Multimodal live streaming results.
+**Multimodal Live Streaming:** results on StreamingBench
+<table style="margin: 0px auto;">
+    <thead>
+        <tr>
+            <th align="left">Model</th>
+            <th>Size</th>
+            <th>Real-Time Video Understanding</th>
+            <th>Omni-Source Understanding</th>
+            <th>Contextual Understanding</th>
+            <th>Overall</th>
+        </tr>
+    </thead>
+    <tbody align="center">
+        <tr>
+            <td colspan="7" align="left"><strong>Proprietary</strong></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Gemini 1.5 Pro</td>
+            <td>-</td>
+            <td><u>77.4</u></td>
+            <td><strong>67.8</strong></td>
+            <td><strong>51.1</strong></td>
+            <td><strong>70.3</strong></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">GPT-4o-202408</td>
+            <td>-</td>
+            <td>74.5</td>
+            <td>51.0</td>
+            <td><u>48.0</u></td>
+            <td>64.1</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Claude-3.5-Sonnet</td>
+            <td>-</td>
+            <td>74.0</td>
+            <td>41.4</td>
+            <td>37.8</td>
+            <td>59.7</td>
+        </tr>
+        <tr>
+            <td colspan="9" align="left"><strong>Open-source</strong></td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">VILA-1.5</td>
+            <td>8B</td>
+            <td>61.5</td>
+            <td>37.5</td>
+            <td>26.7</td>
+            <td>49.5</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">LongVA</td>
+            <td>7B</td>
+            <td>63.1</td>
+            <td>35.9</td>
+            <td>30.2</td>
+            <td>50.7</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">LLaVA-Next-Video-34B</td>
+            <td>34B</td>
+            <td>69.8</td>
+            <td>41.7</td>
+            <td>34.3</td>
+            <td>56.7</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">Qwen2-VL-7B</td>
+            <td>8B</td>
+            <td>71.2</td>
+            <td>40.7</td>
+            <td>33.1</td>
+            <td>57.0</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">InternVL2-8B</td>
+            <td>8B</td>
+            <td>70.1</td>
+            <td>42.7</td>
+            <td>34.1</td>
+            <td>57.0</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">VITA-1.5</td>
+            <td>8B</td>
+            <td>70.9</td>
+            <td>40.8</td>
+            <td>35.8</td>
+            <td>57.4</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">LLaVA-OneVision-7B</td>
+            <td>8B</td>
+            <td>74.3</td>
+            <td>40.8</td>
+            <td>31.0</td>
+            <td>58.4</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">InternLM-XC2.5-OL-7B</td>
+            <td>8B</td>
+            <td>75.4</td>
+            <td>46.2</td>
+            <td>33.6</td>
+            <td>60.8</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">MiniCPM-V 2.6</td>
+            <td>8B</td>
+            <td>72.4</td>
+            <td>40.2</td>
+            <td>33.4</td>
+            <td>57.7</td>
+        </tr>
+        <tr>
+            <td nowrap="nowrap" align="left">MiniCPM-o 2.6</td>
+            <td>8B</td>
+            <td><strong>79.9</strong></td>
+            <td><u>53.4</u></td>
+            <td>38.5</td>
+            <td><u>66.0</u></td>
+        </tr>
+    </tbody>
+</table>
+### Examples <!-- omit in toc -->
+We deploy MiniCPM-o 2.6 on end devices. The demo video is the raw-speed recording on an iPad Pro and a Web demo.
+<div align="center">
+  <a href="https://youtu.be/JFJg9KZ_iZk"><img src="https://github.com/OpenBMB/MiniCPM-o/raw/main/assets/o-2dot6-demo-video-preview.png", width=70%></a>
+</div>
+<br>
+<div style="display: flex; flex-direction: column; align-items: center;">
+  <img src="https://github.com/OpenBMB/MiniCPM-o/raw/main/assets/minicpmo2_6/minicpmo2_6_math_intersect.png" alt="math" style="margin-bottom: 5px;">
+  <img src="https://github.com/OpenBMB/MiniCPM-o/raw/main/assets/minicpmo2_6/minicpmo2_6_diagram_train_NN.png" alt="diagram" style="margin-bottom: 5px;">
+  <img src="https://github.com/OpenBMB/MiniCPM-o/raw/main/assets/minicpmo2_6/minicpmo2_6_multi-image_bike.png" alt="bike" style="margin-bottom: 5px;">
+</div>
+## Online Demo
+Click here to try the online demo of [MiniCPM-o 2.6](https://minicpm-omni-webdemo-us.modelbest.cn).
 ## Usage
+Inference using Huggingface transformers on NVIDIA GPUs. Please ensure that `transformers==4.44.2` is installed, as other versions may have compatibility issues. We are investigating this issue. Requirements tested on python 3.10：
+```
+Pillow==10.1.0
+torch==2.3.1
+torchaudio==2.3.1
+torchvision==0.18.1
+transformers==4.44.2
+librosa==0.9.0
+soundfile==0.12.1
+vector-quantize-pytorch==1.18.5
+vocos==0.1.0
+decord
+moviepy
+```
+### Model initialization
 ```python
+import torch
+from PIL import Image
+from transformers import AutoModel, AutoTokenizer
+# load omni model default, the default init_vision/init_audio/init_tts is True
+# if load vision-only model, please set init_audio=False and init_tts=False
+# if load audio-only model, please set init_vision=False
+model = AutoModel.from_pretrained(
+    'openbmb/MiniCPM-o-2_6',
     trust_remote_code=True,
+    attn_implementation='sdpa', # sdpa or flash_attention_2
+    torch_dtype=torch.bfloat16,
+    init_vision=True,
+    init_audio=True,
+    init_tts=True
+)
+model = model.eval().cuda()
+tokenizer = AutoTokenizer.from_pretrained('openbmb/MiniCPM-o-2_6', trust_remote_code=True)
+# In addition to vision-only mode, tts processor and vocos also needs to be initialized
+model.init_tts()
+```
+If you are using an older version of PyTorch, you might encounter this issue `"weight_norm_fwd_first_dim_kernel" not implemented for 'BFloat16'`, Please convert the TTS to float32 type.
+```python
+model.tts.float()
+```
+### Omni mode
+We provide two inference modes: chat and streaming
+#### Chat inference
+```python
+import math
+import numpy as np
+from PIL import Image
+from moviepy.editor import VideoFileClip
+import tempfile
+import librosa
+import soundfile as sf
+def get_video_chunk_content(video_path, flatten=True):
+    video = VideoFileClip(video_path)
+    print('video_duration:', video.duration)
+    with tempfile.NamedTemporaryFile(suffix=".wav", delete=True) as temp_audio_file:
+        temp_audio_file_path = temp_audio_file.name
+        video.audio.write_audiofile(temp_audio_file_path, codec="pcm_s16le", fps=16000)
+        audio_np, sr = librosa.load(temp_audio_file_path, sr=16000, mono=True)
+    num_units = math.ceil(video.duration)
+    # 1 frame + 1s audio chunk
+    contents= []
+    for i in range(num_units):
+        frame = video.get_frame(i+1)
+        image = Image.fromarray((frame).astype(np.uint8))
+        audio = audio_np[sr*i:sr*(i+1)]
+        if flatten:
+            contents.extend(["<unit>", image, audio])
+        else:
+            contents.append(["<unit>", image, audio])
+    return contents
+video_path="assets/Skiing.mp4"
+# if use voice clone prompt, please set ref_audio
+ref_audio_path = 'assets/demo.wav'
+ref_audio, _ = librosa.load(ref_audio_path, sr=16000, mono=True)
+sys_msg = model.get_sys_prompt(ref_audio=ref_audio, mode='omni', language='en')
+# or use default prompt
+# sys_msg = model.get_sys_prompt(mode='omni', language='en')
+contents = get_video_chunk_content(video_path)
+msg = {"role":"user", "content": contents}
+msgs = [sys_msg, msg]
+# please set generate_audio=True and output_audio_path to save the tts result
+generate_audio = True
+output_audio_path = 'output.wav'
+res = model.chat(
+    msgs=msgs,
+    tokenizer=tokenizer,
+    sampling=True,
+    temperature=0.5,
+    max_new_tokens=4096,
+    omni_input=True, # please set omni_input=True when omni inference
+    use_tts_template=True,
+    generate_audio=generate_audio,
+    output_audio_path=output_audio_path,
+    max_slice_nums=1,
+    use_image_id=False,
+    return_dict=True
+)
+print(res)
+## You will get the answer: The person in the picture is skiing down a snowy slope.
+# import IPython
+# IPython.display.Audio('output.wav')
+```
+#### Streaming inference
+```python
+# a new conversation need reset session first, it will reset the kv-cache
+model.reset_session()
+contents = get_video_chunk_content(video_path, flatten=False)
+session_id = '123'
+generate_audio = True
+# 1. prefill system prompt
+res = model.streaming_prefill(
+    session_id=session_id,
+    msgs=[sys_msg],
+    tokenizer=tokenizer
 )
+# 2. prefill video/audio chunks
+for content in contents:
+    msgs = [{"role":"user", "content": content}]
+    res = model.streaming_prefill(
+        session_id=session_id,
+        msgs=msgs,
+        tokenizer=tokenizer
+    )
+# 3. generate
+res = model.streaming_generate(
+    session_id=session_id,
+    tokenizer=tokenizer,
+    temperature=0.5,
+    generate_audio=generate_audio
 )
+audios = []
+text = ""
+if generate_audio:
+    for r in res:
+        audio_wav = r.audio_wav
+        sampling_rate = r.sampling_rate
+        txt = r.text
+        audios.append(audio_wav)
+        text += txt
+    res = np.concatenate(audios)
+    sf.write("output.wav", res, samplerate=sampling_rate)
+    print("text:", text)
+    print("audio saved to output.wav")
+else:
+    for r in res:
+        text += r['text']
+    print("text:", text)
 ```
+### Speech and Audio Mode
+Model initialization
 ```python
+import torch
+import librosa
+from transformers import AutoModel, AutoTokenizer
+model = AutoModel.from_pretrained('openbmb/MiniCPM-o-2_6', trust_remote_code=True,
+    attn_implementation='sdpa', torch_dtype=torch.bfloat16) # sdpa or flash_attention_2, no eager
+model = model.eval().cuda()
+tokenizer = AutoTokenizer.from_pretrained('openbmb/MiniCPM-o-2_6', trust_remote_code=True)
+model.init_tts()
+model.tts.float()
+```
+<hr/>
+#### Mimick
+`Mimick` task reflects a model's end-to-end speech modeling capability. The model takes audio input, and outputs an ASR transcription and subsequently reconstructs the original audio with high similarity. The higher the similarity between the reconstructed audio and the original audio, the stronger the model's foundational capability in end-to-end speech modeling.
+```python
+mimick_prompt = "Please repeat each user's speech, including voice style and speech content."
+audio_input, _ = librosa.load('./assets/input_examples/Trump_WEF_2018_10s.mp3', sr=16000, mono=True) # load the audio to be mimicked
+# can also try `./assets/input_examples/cxk_original.wav`,
+# `./assets/input_examples/fast-pace.wav`,
+# `./assets/input_examples/chi-english-1.wav`
+# `./assets/input_examples/exciting-emotion.wav`
+# for different aspects of speech-centric features.
+msgs = [{'role': 'user', 'content': [mimick_prompt, audio_input]}]
+res = model.chat(
+    msgs=msgs,
+    tokenizer=tokenizer,
+    sampling=True,
+    max_new_tokens=128,
+    use_tts_template=True,
+    temperature=0.3,
+    generate_audio=True,
+    output_audio_path='output_mimick.wav', # save the tts result to output_audio_path
+)
+```
+<hr/>
+#### General Speech Conversation with Configurable Voices
+A general usage scenario of `MiniCPM-o-2.6` is role-playing a specific character based on the audio prompt. It will mimic the voice of the character to some extent and act like the character in text, including language style. In this mode, `MiniCPM-o-2.6` sounds **more natural and human-like**. Self-defined audio prompts can be used to customize the voice of the character in an end-to-end manner.
+```python
+ref_audio, _ = librosa.load('./assets/input_examples/icl_20.wav', sr=16000, mono=True) # load the reference audio
+sys_prompt = model.get_sys_prompt(ref_audio=ref_audio, mode='audio_roleplay', language='en')
+# round one
+user_question = {'role': 'user', 'content': [librosa.load('xxx.wav', sr=16000, mono=True)[0]]}
+msgs = [sys_prompt, user_question]
+res = model.chat(
+    msgs=msgs,
+    tokenizer=tokenizer,
+    sampling=True,
+    max_new_tokens=128,
+    use_tts_template=True,
+    generate_audio=True,
+    temperature=0.3,
+    output_audio_path='result_roleplay_round_1.wav',
 )
+# round two
+history = msgs.append({'role': 'assistant', 'content': res})
+user_question = {'role': 'user', 'content': [librosa.load('xxx.wav', sr=16000, mono=True)[0]]}
+msgs = history.append(user_question)
+res = model.chat(
+    msgs=msgs,
+    tokenizer=tokenizer,
+    sampling=True,
+    max_new_tokens=128,
+    use_tts_template=True,
+    generate_audio=True,
+    temperature=0.3,
+    output_audio_path='result_roleplay_round_2.wav',
 )
+print(res)
 ```
+<hr/>
+#### Speech Conversation as an AI Assistant
+An enhanced feature of `MiniCPM-o-2.6` is to act as an AI assistant, but only with limited choice of voices. In this mode, `MiniCPM-o-2.6` is **less human-like and more like a voice assistant**. In this mode, the model is more instruction-following. For demo, you are suggested to use `assistant_female_voice`, `assistant_male_voice`, and `assistant_default_female_voice`. Other voices may work but not as stable as the default voices.
+*Please note that, `assistant_female_voice` and `assistant_male_voice` are more stable but sounds like robots, while `assistant_default_female_voice` is more human-alike but not stable, its voice often changes in multiple turns. We suggest you to try stable voices `assistant_female_voice` and `assistant_male_voice`.*
+```python
+ref_audio, _ = librosa.load('./assets/input_examples/assistant_female_voice.wav', sr=16000, mono=True) # or use `./assets/input_examples/assistant_male_voice.wav`
+sys_prompt = model.get_sys_prompt(ref_audio=ref_audio, mode='audio_assistant', language='en')
+user_question = {'role': 'user', 'content': [librosa.load('xxx.wav', sr=16000, mono=True)[0]]} # load the user's audio question
+# round one
+msgs = [sys_prompt, user_question]
+res = model.chat(
+    msgs=msgs,
+    tokenizer=tokenizer,
+    sampling=True,
+    max_new_tokens=128,
+    use_tts_template=True,
+    generate_audio=True,
+    temperature=0.3,
+    output_audio_path='result_assistant_round_1.wav',
+)
+# round two
+history = msgs.append({'role': 'assistant', 'content': res})
+user_question = {'role': 'user', 'content': [librosa.load('xxx.wav', sr=16000, mono=True)[0]]}
+msgs = history.append(user_question)
+res = model.chat(
+    msgs=msgs,
+    tokenizer=tokenizer,
+    sampling=True,
+    max_new_tokens=128,
+    use_tts_template=True,
+    generate_audio=True,
+    temperature=0.3,
+    output_audio_path='result_assistant_round_2.wav',
+)
+print(res)
 ```
+<hr/>
+#### Instruction-to-Speech
+`MiniCPM-o-2.6` can also do Instruction-to-Speech, aka **Voice Creation**. You can describe a voice in detail, and the model will generate a voice that matches the description. For more Instruction-to-Speech sample instructions, you can refer to https://voxinstruct.github.io/VoxInstruct/.
+```python
+instruction = 'Speak like a male charming superstar, radiating confidence and style in every word.'
+msgs = [{'role': 'user', 'content': [instruction]}]
+res = model.chat(
+    msgs=msgs,
+    tokenizer=tokenizer,
+    sampling=True,
+    max_new_tokens=128,
+    use_tts_template=True,
+    generate_audio=True,
+    temperature=0.3,
+    output_audio_path='result_voice_creation.wav',
+)
+```
+<hr/>
+#### Voice Cloning
+`MiniCPM-o-2.6` can also do zero-shot text-to-speech, aka **Voice Cloning**. With this mode, model will act like a TTS model.
+```python
+ref_audio, _ = librosa.load('./assets/input_examples/icl_20.wav', sr=16000, mono=True) # load the reference audio
+sys_prompt = model.get_sys_prompt(ref_audio=ref_audio, mode='voice_cloning', language='en')
+text_prompt = f"Please read the text below."
+user_question = {'role': 'user', 'content': [text_prompt, "content that you want to read"]}
+msgs = [sys_prompt, user_question]
+res = model.chat(
+    msgs=msgs,
+    tokenizer=tokenizer,
+    sampling=True,
+    max_new_tokens=128,
+    use_tts_template=True,
+    generate_audio=True,
+    temperature=0.3,
+    output_audio_path='result_voice_cloning.wav',
+)
+```
+<hr/>
+#### Addressing Various Audio Understanding Tasks
+`MiniCPM-o-2.6` can also be used to address various audio understanding tasks, such as ASR, speaker analysis, general audio captioning, and sound scene tagging.
+For audio-to-text tasks, you can use the following prompts:
+- ASR with ZH(same as AST en2zh): `请仔细听这段音频片段，并将其内容逐字记录。`
+- ASR with EN(same as AST zh2en): `Please listen to the audio snippet carefully and transcribe the content.`
+- Speaker Analysis: `Based on the speaker's content, speculate on their gender, condition, age range, and health status.`
+- General Audio Caption: `Summarize the main content of the audio.`
+- General Sound Scene Tagging: `Utilize one keyword to convey the audio's content or the associated scene.`
+```python
+task_prompt = "Please listen to the audio snippet carefully and transcribe the content." + "\n" # can change to other prompts.
+audio_input, _ = librosa.load('./assets/input_examples/audio_understanding.mp3', sr=16000, mono=True) # load the audio to be captioned
+msgs = [{'role': 'user', 'content': [task_prompt, audio_input]}]
+res = model.chat(
+    msgs=msgs,
+    tokenizer=tokenizer,
+    sampling=True,
+    max_new_tokens=128,
+    use_tts_template=True,
+    generate_audio=True,
+    temperature=0.3,
+    output_audio_path='result_audio_understanding.wav',
+)
+print(res)
+```
+### Vision-Only mode
+`MiniCPM-o-2_6` has the same inference methods as `MiniCPM-V-2_6`
+#### Chat with single image
+```python
+# test.py
+image = Image.open('xx.jpg').convert('RGB')
+question = 'What is in the image?'
+msgs = [{'role': 'user', 'content': [image, question]}]
+res = model.chat(
+    image=None,
+    msgs=msgs,
+    tokenizer=tokenizer
+)
+print(res)
+## if you want to use streaming, please make sure sampling=True and stream=True
+## the model.chat will return a generator
+res = model.chat(
+    msgs=msgs,
+    tokenizer=tokenizer,
+    sampling=True,
+    stream=True
+)
+generated_text = ""
+for new_text in res:
+    generated_text += new_text
+    print(new_text, flush=True, end='')
+```
+#### Chat with multiple images
+<details>
+<summary> Click to show Python code running MiniCPM-o 2.6 with multiple images input. </summary>
+```python
+image1 = Image.open('image1.jpg').convert('RGB')
+image2 = Image.open('image2.jpg').convert('RGB')
+question = 'Compare image 1 and image 2, tell me about the differences between image 1 and image 2.'
+msgs = [{'role': 'user', 'content': [image1, image2, question]}]
+answer = model.chat(
+    msgs=msgs,
+    tokenizer=tokenizer
+)
+print(answer)
+```
+</details>
+#### In-context few-shot learning
+<details>
+<summary> Click to view Python code running MiniCPM-o 2.6 with few-shot input. </summary>
+```python
+question = "production date"
+image1 = Image.open('example1.jpg').convert('RGB')
+answer1 = "2023.08.04"
+image2 = Image.open('example2.jpg').convert('RGB')
+answer2 = "2007.04.24"
+image_test = Image.open('test.jpg').convert('RGB')
+msgs = [
+    {'role': 'user', 'content': [image1, question]}, {'role': 'assistant', 'content': [answer1]},
+    {'role': 'user', 'content': [image2, question]}, {'role': 'assistant', 'content': [answer2]},
+    {'role': 'user', 'content': [image_test, question]}
+]
+answer = model.chat(
+    msgs=msgs,
+    tokenizer=tokenizer
+)
+print(answer)
+```
+</details>
+#### Chat with video
+<details>
+<summary> Click to view Python code running MiniCPM-o 2.6 with video input. </summary>
+```python
+MAX_NUM_FRAMES=64 # if cuda OOM set a smaller number
+def encode_video(video_path):
+    def uniform_sample(l, n):
+        gap = len(l) / n
+        idxs = [int(i * gap + gap / 2) for i in range(n)]
+        return [l[i] for i in idxs]
+    vr = VideoReader(video_path, ctx=cpu(0))
+    sample_fps = round(vr.get_avg_fps() / 1)  # FPS
+    frame_idx = [i for i in range(0, len(vr), sample_fps)]
+    if len(frame_idx) > MAX_NUM_FRAMES:
+        frame_idx = uniform_sample(frame_idx, MAX_NUM_FRAMES)
+    frames = vr.get_batch(frame_idx).asnumpy()
+    frames = [Image.fromarray(v.astype('uint8')) for v in frames]
+    print('num frames:', len(frames))
+    return frames
+video_path ="video_test.mp4"
+frames = encode_video(video_path)
+question = "Describe the video"
+msgs = [
+    {'role': 'user', 'content': frames + [question]},
+]
+# Set decode params for video
+params={}
+params["use_image_id"] = False
+params["max_slice_nums"] = 2 # use 1 if cuda OOM and video resolution >  448*448
+answer = model.chat(
+    msgs=msgs,
+    tokenizer=tokenizer,
+    **params
+)
+print(answer)
 ```
+</details>
+Please look at [GitHub](https://github.com/OpenBMB/MiniCPM-o) for more detail about usage.
+## Inference with llama.cpp<a id="llamacpp"></a>
+MiniCPM-o 2.6 (vision-only mode) can run with llama.cpp. See our fork of [llama.cpp](https://github.com/OpenBMB/llama.cpp/tree/minicpm-omni) and [readme](https://github.com/OpenBMB/llama.cpp/blob/minicpm-omni/examples/llava/README-minicpmo2.6.md) for more detail.
+## Int4 quantized version
+Download the int4 quantized version for lower GPU memory (7GB) usage:  [MiniCPM-o-2_6-int4](https://huggingface.co/openbmb/MiniCPM-o-2_6-int4).
+## License
+#### Model License
+* The MiniCPM-o/V model weights and code are open-sourced under the [Apache-2.0](https://github.com/OpenBMB/MiniCPM-V/blob/main/LICENSE) license.
+* To help us better understand and support our users, we would deeply appreciate it if you could consider optionally filling out a brief registration ["questionnaire"](https://modelbest.feishu.cn/share/base/form/shrcnpV5ZT9EJ6xYjh3Kx0J6v8g).
+#### Statement
+* As an LMM, MiniCPM-o 2.6 generates contents by learning a large mount of multimodal corpora, but it cannot comprehend, express personal opinions or make value judgement. Anything generated by MiniCPM-o 2.6 does not represent the views and positions of the model developers
+* We will not be liable for any problems arising from the use of the MinCPM-V models, including but not limited to data security issues, risk of public opinion, or any risks and problems arising from the misdirection, misuse, dissemination or misuse of the model.
+## Key Techniques and Other Multimodal Projects
+👏 Welcome to explore key techniques of MiniCPM-o 2.6 and other multimodal projects of our team:
+[VisCPM](https://github.com/OpenBMB/VisCPM/tree/main) | [RLHF-V](https://github.com/RLHF-V/RLHF-V) | [LLaVA-UHD](https://github.com/thunlp/LLaVA-UHD)  | [RLAIF-V](https://github.com/RLHF-V/RLAIF-V)
+## Citation
+If you find our work helpful, please consider citing our papers 📝 and liking this project ❤️！
+```bib
+@article{yao2024minicpm,
+  title={MiniCPM-V: A GPT-4V Level MLLM on Your Phone},
+  author={Yao, Yuan and Yu, Tianyu and Zhang, Ao and Wang, Chongyi and Cui, Junbo and Zhu, Hongji and Cai, Tianchi and Li, Haoyu and Zhao, Weilin and He, Zhihui and others},
+  journal={arXiv preprint arXiv:2408.01800},
+  year={2024}
+}
+```

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