Xiaomi launches open-source MiMo-V2.6 Pro & Flash, tops AI index at 46 among open models
burny_tech · x · 2026-09-23
Xiaomi officially introduced MiMo-V2.6, a family of two omnimodal models (Pro & Flash) built through scaled reinforcement learning.
- Benchmarks: Pro reportedly matches Claude Opus 5 and GPT-5.6 Sol across most agent benchmarks, scoring 46 on the Artificial Analysis Intelligence Index — the highest among open-source models
- Improvements: stronger coding, computer use, 3D reasoning, and creative capabilities
- Fully open: weights, technical report, RL environments, and training code are all released
The retweeter adds a notable detail: Xiaomi handles RL reward hacking by red-teaming its own RL environments and iteratively fixing them — better than most approaches, though possibly vulnerable to explicit goal-directed attacks like OpenAI's hacking swarm.
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