Xiaomi released MiMo-V2.6-Pro as the top open-weight model on Artificial Analysis' Intelligence Index with a score of 46, tying same-day Grok 4.7 and beating Grok 4.6 (44), Gemini 3.8 Flash (41), and DeepSeek V4.1 Flash (39) and Pro (36). The MIT-licensed model is free on Hugging Face and cheaper vi