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README.md
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---
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license: other
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license_name: lfm-nanotron-prism-research
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license_link: LICENSE.md
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language:
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- en
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tags:
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- lfm
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- prism
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- gspo
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- hybrid-architecture
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- tool-use
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- Thinking
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pipeline_tag: text-generation
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library_name: transformers
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gated: true
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extra_gated_heading: >-
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Request Access to lfm-Nanotron (A tiny 2.6B-PRISM-SFT-GSPO-W2A16 RL trained
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model with enhanced capabilities for agentic multi-turn tool calling,
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thinking, and instruction following)
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extra_gated_description: >
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After completing your support donation at https://ko-fi.com/s/b0511b3815,
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submit the access request at https://huggingface.co/Ex0bit/lfm-Nanotron to
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receive automatic access to this limited edition model. Please provide your
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information below. Access will be granted automatically after submission.
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extra_gated_prompt: |
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By requesting access, you agree to:
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- Use this model for research or educational purposes only
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- Not redistribute the model weights without explicit permission
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- Cite this work appropriately in any publications
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- Report any issues or safety concerns to the author
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extra_gated_fields:
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Full Name: text
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Organization/Affiliation: text
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Country: country
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Intended Use:
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type: select
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options:
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- Research
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- Education
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- Personal
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- label: Commercial (requires separate license)
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value: commercial
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- label: Other
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value: other
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Brief description of your intended use case: text
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I agree to the terms of use: checkbox
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extra_gated_button_content: Agree and Request Access
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---
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# lfm-Nanotron: 2.6B PRISM-SFT-GSPO-WA216
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<div align="center">
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** LFM Architeture model SFT + GSPO RL + PRISM **
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[]()
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[]()
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[]()
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</div>
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## Model Description
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**lfm-Nanotron**: Limited Edition 2.6B PRISM Model Access
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Unlock a cutting-edge Nano sized AI model.
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This is **lfm-Nanotron** — A Nano Sized 2.6B parameter hybrid architecture language model fine-tuned with advanced techniques you won't find in mainstream releases:
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- SFT (Test-Time Supervised-Fine-Tuning) — Adaptive optimization at inference
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- GSPO (Group Sequence Policy Optimization) — RL Enhanced reasoning, Instruction following, thinking, tool calling & logic
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- PRISM (Projected Refusal Isolation via Subspace Modification) — State-of-the-art over-refusal/propaganda removal from LLMs
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- 128K Context Window — Handle massive prompts with ease
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- Agentic Tool Calling — Built for multi-turn, thinking, and instruction-following tasks
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### Architecture Details
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| Parameter | Value |
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|-----------|-------|
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| Parameters | ~2.6B |
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| Hidden Size | 2048 |
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| Layers | 30 (22 Conv + 8 Full Attention) |
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| Attention Heads | 32 |
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| KV Heads | 8 (GQA) |
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| Vocabulary | 65,536 |
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| Max Context | 128,000 tokens |
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| Architecture | Hybrid Conv + Attention (LFM2) |
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### Available Quantizations
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| File | Quantization | Size | Use Case |
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|------|-------------|------|----------|
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| `lfm2-nanotron-ttft-gspo-prism-bf16.gguf` | BF16 | ~4.8GB | Full precision, best quality |
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| `lfm2-nanotron-ttft-gspo-prism-Q4_K_M.gguf` | Q4_K_M | ~1.5GB | Balanced quality/size |
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| `lfm2-nanotron-ttft-gspo-prism-Q2_K.gguf` | Q2_K | ~0.9GB | Maximum compression |
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## Usage
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### With llama.cpp
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```bash
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./llama-cli -m lfm2-nanotron-ttft-gspo-prism-Q4_K_M.gguf -p "Your prompt here" --temp 0.3 --min-p 0.15 --repeat-penalty 1.05
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```
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### Recommended Generation Parameters
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```json
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{
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"temperature": 0.3,
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"min_p": 0.15,
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"repeat_penalty": 1.05
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}
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```
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## Citation
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If you use this model in your research, please cite:
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```bibtex
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@misc{lfm2-nanotron-2026,
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title={lfm2-Nanotron: Test-Time Fine-Tuned LFM2 with GSPO+PRISM},
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author={Exobit (Eric Elbaz)},
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year={2026},
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publisher={Hugging Face},
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url={https://huggingface.co/Ex0bit/lfm2-Nanotron}
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}
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```
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## License
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This model is released under a custom research license. See LICENSE.md for details.
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## Acknowledgments
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- [@mlabonne](https://huggingface.co/mlabonne) & [@liquidai](https://huggingface.co/LiquidAI) for the LFM2 architecture
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- [@anakin87](https://huggingface.co/anakin87) for inspiring the idea
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- The open-source AI community
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