MiMo

What it does

Open-source (Apache 2.0) LLM series 'born for reasoning.' Pre-trained & RL-tuned models (like the 7B) match o1-mini on math/code. Base/SFT/RL models released.

MiMo: Unlocking the Reasoning Potential of Language Model – From Pretraining to Posttraining - XiaomiMiMo/MiMo

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Unlocking the Reasoning Potential of Language Model From Pretraining to Posttraining ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ | 🤗 HuggingFace | 🤖️ ModelScope | 📔 Technical Report | Updates [2025.05.30] We scaled the SFT dataset from approximately 500K to 6M instances and continuously expanding the RL training window size from 32K to 48K, the performance of MiMo-7B-RL-0530 on AIME24 can be continuously improved and eventually surpass that of DeepSeek R1 (79.8). Currently, most successful RL works, including open-source research, rely on relatively large base models, e.g., 32B models, particularly for enhancing code reasoning capabilities.…from github.com

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