Xiaomi MiMo-V2.6 lands, jumping 153 pts to crack Code Arena top 10 among open weights
arena · x · 2026-09-22
Xiaomi releases MiMo-V2.6 (Pro & Flash)
- Two omnimodal models trained via scaled RL; weights, tech report, RL environments and training code released open-source under MIT
- The team claims Pro matches Claude Opus 5 and GPT-5.6 Sol on most agent benchmarks and scores 46 on the Artificial Analysis Intelligence Index — the highest among open models
- On Code Arena: WebDev it debuts at #10 overall (1628 AutoEval pts), #3 among open weights, just 7 pts behind Qwen3.8 Flash Next and 46 behind Kimi K3 Max — a +153 pt jump from MiMo-V2.5-Pro (1475 → 1628), tying Claude Fable 5 (High)
- Caveat: early AutoEval scores from a reward model, not final live human votes
Related event: Xiaomi open-sources MiMo-V2.6, topping open-weight intelligence index(18 posts)→
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