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README.md
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---
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tags:
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- unsloth
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license: mit
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library_name: transformers
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base_model:
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- tngtech/DeepSeek-TNG-R1T2-Chimera
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pipeline_tag: text-generation
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---
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<div>
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<p style="margin-top: 0;margin-bottom: 0;">
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<em><a href="https://docs.unsloth.ai/basics/unsloth-dynamic-v2.0-gguf">Unsloth Dynamic 2.0</a> achieves superior accuracy & outperforms other leading quants.</em>
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</p>
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<div style="display: flex; gap: 5px; align-items: center; ">
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<a href="https://github.com/unslothai/unsloth/">
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<img src="https://github.com/unslothai/unsloth/raw/main/images/unsloth%20new%20logo.png" width="133">
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</a>
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<a href="https://discord.gg/unsloth">
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<img src="https://github.com/unslothai/unsloth/raw/main/images/Discord%20button.png" width="173">
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</a>
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<a href="https://docs.unsloth.ai/">
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<img src="https://raw.githubusercontent.com/unslothai/unsloth/refs/heads/main/images/documentation%20green%20button.png" width="143">
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</a>
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</div>
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</div>
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# DeepSeek-TNG-R1T2-Chimera
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<div align="center">
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<img src="https://354918363417-runtime-assets.s3.eu-central-1.amazonaws.com/company_logo_light.svg"
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alt="TNG Logo"
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width="400"
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style="display: inline-block; vertical-align: middle;"/>
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</div>
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<br>
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<div align="center">
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<a href="https://huggingface.co/tngtech/DeepSeek-TNG-R1T2-Chimera/blob/main/LICENSE.DeepSeek" style="margin: 2px;">
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<img alt="License" src="https://img.shields.io/badge/License-MIT-f5de53?&color=f5de53" style="display: inline-block; vertical-align: middle;"/>
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</a>
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</div>
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<br>
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<div align="center">
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<img alt="Intelligence Score" src="intelligence_score_vs_output_tokens.png" style="display: inline-block; vertical-align: middle;" width="750"/>
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</div>
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**Assembly of Experts Chimera model constructed with the DeepSeek [R1-0528](https://huggingface.co/deepseek-ai/DeepSeek-R1-0528), [R1](https://huggingface.co/deepseek-ai/DeepSeek-R1) and [V3-0324](https://huggingface.co/deepseek-ai/DeepSeek-V3-0324) parent models**
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We present our new **DeepSeek-TNG R1T2 Chimera** 671B model, the first successor to our original [*DeepSeek R1T Chimera*](https://huggingface.co/tngtech/DeepSeek-R1T-Chimera) that was released on April 26th. Unlike the original Chimera, which was based on the *two parent models* V3-0324 and R1, the new Chimera is a **Tri-Mind** *with three parents*, namely additionally R1-0528. It is constructed using the Assembly of Experts-method with relatively fine-granular direct brain edits. This more refined assembly allowed, among other improvements, the fixing of the <think> token consistency issue, which was a weakness of R1T and is now solved for R1T2.
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**Sweet spot**
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R1T2 operates at a new sweet spot in intelligence vs. output token length. It appears to be...
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- about **20% faster than** the regular **R1**, and more than **twice as fast as R1-0528**
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- significantly **more intelligent than** the regular **R1** in benchmarks such as **GPQA** and **AIME-24**
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- much **more intelligent** and also **think-token consistent** compared to the first **R1T Chimera** 0426
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- and generally well-behaved and a **nice persona** to talk to, even without any system prompt.
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**Recommendations for your model decision**
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*R1T2* compared...
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- *vs R1:* We hope that R1T2 is a very desirable, almost universal **better and drop-in replacement for R1**
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- *vs R1-0528:* R1T2 is a much **cheaper alternative to full R1-0528**, if the fullest 0528-level intelligence is not required
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- *vs R1T:* R1T2 is usually **recommended over R1T**, unless the specific personality of R1T was optimal, the think-token issue not important, or R1T's higher speed crucial
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- *vs V3-0324:* V3 is so much faster that if you can live with the **lower intelligence, take V3**, however, if you **need reasoning, R1T2** is the go-to model
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**Limitations**
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- **R1-0528** is thinking much longer, but also is achieving **better hard benchmark results** than R1T2
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- As measured by SpeechMap.ai (courtesy of xlr8harder), **R1T2** is significantly **more reserved** than R1T, but not as much as R1-0528
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- Due to the influence of its R1 parent, which does not support function calling, **R1T2 is not yet recommended for function-calling** intensive applications at this stage (this may be fixed at a later stage)
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- When switching from R1T to R1T2 development, we changed from AIME24 and MT-Bench to AIME24, AIME25 and GPQA-Diamond for the intelligence score. With the new benchmark set, there is a larger score difference between R1 and the original R1T Chimera than published earlier.
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**Technological background**
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For details on the AoE construction process, you can read our [Paper on arXiV](https://arxiv.org/abs/2506.14794).
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## Model Details
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- **Architecture**: DeepSeek-MoE transformer-based language model
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- **Combination Method**: Assembly of Experts from the three DeepSeek parent models R1-0528, R1 and V3-0324
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- **Release Date**: 2025-07-02
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- **Design Team**: Robert Dahlke, Henrik Klagges, Benjamin Merkel, Fabian Klemm and David Reiss, Munich, Germany
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- **Extra Thanks**: Big thanks to DeepSeek for their great models and open-source generosity, and to the other researchers that have published on model merging methodologies.
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## Use, Out-of-scope Use, Other Limitations, Risks, Recommendations et al.
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Regarding the R1T/R1T2-Chimeras, we ask you to follow the careful guidelines that Microsoft has created for their "MAI-DS-R1" DeepSeek-based model.
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These professional guidelines are available [here on Hugging Face](https://huggingface.co/microsoft/MAI-DS-R1).
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## EU AI Act
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Due to the strict new guidelines of the EU AI Act that take effect on August 2nd 2025, we recommend that each R1T/R1T2 user in the EU either familiarizes themselves with these requirements and assess their compliance, or ceases using the model in the EU after August 1st, 2025.
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## Contact, especially for your user feedback
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Please give us your feedback, especially if you find deficiencies in the model:
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- Email: [email protected]
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- X.com: @tngtech
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## Citation
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```
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@misc{tng_technology_consulting_gmbh_2025_07_0x,
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author = { TNG Technology Consulting GmbH },
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title = { DeepSeek-TNG-R1T2-Chimera },
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year = 2025,
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month = { July },
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url = { https://huggingface.co/tngtech/DeepSeek-TNG-R1T2-Chimera },
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doi = { xxx },
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publisher = { Hugging Face }
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}
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```
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