MiMo-V2.6-Pro

MiMo-V2.6-Pro earned an Arena Elo score of 1480 backed by 4,069 human evaluations, standing out as Xiaomi's most ambitious contribution to frontier machine intelligence. Released in September 2026 with a 1-million-token context window, the model captured first place on the BenchLM Open-Source Leaderboard with an extraordinary BenchAlign rating of 74.2. Its open-weight architecture demonstrates state-of-the-art parameter efficiency, delivering rapid inference latencies, robust agent tool invocation, and competitive math performance that rivals closed proprietary commercial offerings.