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---
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library_name: transformers
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license: apache-2.0
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base_model: Qwen/Qwen2.5-32B-Instruct
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tags:
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- llama-factory
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- full
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- generated_from_trainer
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datasets:
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- open-thoughts/OpenThoughts2-1M
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language:
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- zho
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- eng
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- fra
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- spa
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- por
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- deu
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- ita
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- rus
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- jpn
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- kor
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- vie
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- tha
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- ara
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model-index:
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- name: OpenThinker2-32B
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results: []
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---
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<p align="center">
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<img src="https://huggingface.co/datasets/open-thoughts/open-thoughts-114k/resolve/main/open_thoughts.png" width="50%">
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</p>
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# OpenThinker2-32B
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This model is a fine-tuned version of [Qwen/Qwen2.5-32B-Instruct](https://huggingface.co/Qwen/Qwen2.5-32B-Instruct) on the
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[OpenThoughts2-1M](https://huggingface.co/datasets/open-thoughts/OpenThoughts2-1M) dataset.
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The [OpenThinker2-32B](https://huggingface.co/open-thoughts/OpenThinker2-32B) model is the highest performing open-data model.
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This model improves upon our previous [OpenThinker-32B](https://huggingface.co/open-thoughts/OpenThinker-32B) model, which was trained on 114k examples from [OpenThoughts-114k](https://huggingface.co/datasets/open-thoughts/open-thoughts-114k).
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The numbers reported in the table below are evaluated with our open-source tool [Evalchemy](https://github.com/mlfoundations/Evalchemy).
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| Model | Data | AIME24 | AIME25 | AMC23 | MATH500 | GPQA-D | LCBv2 |
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| ----------------------------------------------------------------------------------------------- | ---- | ------ | ------ | ----- | ------- | ------ | ----- |
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| [OpenThinker2-32B](https://huggingface.co/open-thoughts/OpenThinker2-32B) | ✅ | 76.7 | 58.7 | 94.0 | 90.8 | 64.1 | 72.5 |
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| [OpenThinker-32B](https://huggingface.co/open-thoughts/OpenThinker-32B) | ✅ | 68.0 | 49.3 | 95.5 | 90.6 | 63.5 | 68.6 |
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| [DeepSeek-R1-Distill-Qwen-32B](https://huggingface.co/deepseek-ai/DeepSeek-R1-Distill-Qwen-32B) | ❌ | 74.7 | 50.0 | 96.5 | 90.0 | 65.8 | 72.3 |
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| [Light-R1-32B](https://huggingface.co/qihoo360/Light-R1-32B) | ✅ | 74.7 | 58.0 | 96.0 | 90.4 | 62.0 | 56.0 |
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| [S1.1-32B](https://huggingface.co/simplescaling/s1.1-32B) | ✅ | 59.3 | 42.7 | 91.5 | 87.4 | 62.0 | 58.7 |
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## Data
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This model was trained on the [OpenThoughts2-1M](https://huggingface.co/datasets/open-thoughts/OpenThoughts2-1M) dataset.
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The [OpenThoughts2-1M](https://huggingface.co/datasets/open-thoughts/OpenThoughts2-1M) dataset was constructed by augmenting [OpenThoughts-114k](https://huggingface.co/datasets/open-thoughts/open-thoughts-114k) with existing datasets like [OpenR1](https://huggingface.co/open-r1), as well as additional math and code reasoning data.
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We generate the additional math and code data by ablating over 26 different question generation methodologies and sampling from the highest performing ones.
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See the [OpenThoughts2-1M](https://huggingface.co/datasets/open-thoughts/OpenThoughts2-1M) dataset page or our [blog post](https://www.open-thoughts.ai/blog/thinkagain) for additional information.
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## Intended uses & limitations
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Apache 2.0 License
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## Training procedure
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We used 128 4xA100 nodes to train the model for 50 hours.
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### Training hyperparameters
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The following hyperparameters were used during training:
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- learning_rate: 8e-05
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- seed: 42
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- distributed_type: multi-GPU
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- num_devices: 512
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- gradient_accumulation_steps: 1
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- total_train_batch_size: 512
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- optimizer: Use OptimizerNames.ADAMW_TORCH with betas=(0.9,0.999) and epsilon=1e-08 and optimizer_args=No additional optimizer arguments
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- lr_scheduler_type: cosine
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- lr_scheduler_warmup_ratio: 0.1
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- num_epochs: 5.0
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### Framework versions
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- Transformers 4.46.1
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- Pytorch 2.3.0
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- Datasets 3.1.0
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- Tokenizers 0.20.3
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More info can be found in our repository: [https://github.com/open-thoughts/open-thoughts](https://github.com/open-thoughts/open-thoughts).
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# Citation
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```
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@misc{openthoughts,
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author = {Team, OpenThoughts},
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month = jan,
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title = {{Open Thoughts}},
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howpublished = {https://open-thoughts.ai},
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year = {2025}
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}
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```
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# Links
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- 📊 [OpenThoughts2 and OpenThinker2 Blog Post](https://www.open-thoughts.ai/blog/thinkagain)
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- 💻 [Open Thoughts GitHub Repository](https://github.com/open-thoughts/open-thoughts)
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- 🧠 [OpenThoughts2-1M dataset](https://huggingface.co/datasets/open-thoughts/OpenThoughts2-1M)
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- 🤖 [OpenThinker2-7B model](https://huggingface.co/open-thoughts/OpenThinker2-7B)
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- 🤖 [OpenThinker2-32B model](https://huggingface.co/open-thoughts/OpenThinker2-32B) - this model.
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