2 releases covered on ThursdAI · xiaomi.com ↗
Xiaomi MiMo revealed as the 1T-param stealth model topping OpenRouter
Xiaomi revealed MiMo, a 1-trillion-parameter family with omni-modal and language-only variants, unmasked as the stealth model that had been sitting at #1 on OpenRouter. The reveal surprised the panel, marking Xiaomi's entry into the frontier-model conversation.
Xiaomi enters open weights with MiMo-7B, MIT-licensed reasoning family
Xiaomi's first open-weights release is a 7B dense family (Base, SFT, RL, RL-Zero) trained from scratch on 25T tokens with a multi-token-prediction objective and rule-verifiable reinforcement learning. The RL variant matches OpenAI o1-mini on benchmark suites despite being far smaller, scoring 55.4% on AIME 2025 and 49.3% on LiveCodeBench v6, all under an MIT license with vLLM-ready weights.
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