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How smart is MiMo-V2.6 Flash?

112 SI-IQ · 90% interval 99–125
Not ranked: too little data

MiMo-V2.6 Flash is a model from Xiaomi Corp, released on Sep 21, 2026. Its SI-IQ is 112 (90% interval 99–125), estimated from 2 benchmark results by 1 evaluator.

Data as of Oct 18, 2026 · method 1.0.0

A model is ranked when its results come from at least 5 benchmarks (the two GPQA Diamond runs count as one) in at least 3 areas, from at least 2 different evaluators, and its versions are released no more than 60 days apart. This model does not meet that yet, so it is shown with a provisional estimate but not ranked.

Facts

Developer
Xiaomi Corp
Released
Sep 21, 2026
Access
Not stated
Benchmarks used
2 benchmark results from 1 evaluator

Ability by area (SI-IQ, 90% interval)

Every benchmark result we used

Each score is one value exactly as the source published it: for Epoch AI the best of its run settings, for OpenRouter the median hosting provider (the developer's own hosting when it ran the test). “Implied SI-IQ” is the ability that this single result points to; the overall SI-IQ is their precision-weighted average.

Benchmark Area Score Implied SI-IQ Evaluated by As listed by the source Retrieved Source
GPQA Diamond (OpenRouter run) Knowledge 75.9% 105 OpenRouter xiaomi/mimo-v2.6-flash-20260921
Xiaomi · first-party provider (1 of 6 rows)
Oct 18, 2026 OpenRouter benchmark datasets · data file
τ²-bench Airline (OpenRouter run) Agents 76.0% 131 OpenRouter xiaomi/mimo-v2.6-flash-20260921
Xiaomi · first-party provider (1 of 9 rows)
Oct 18, 2026 OpenRouter benchmark datasets · data file

Human preference (Arena)

On the Arena leaderboard, where people vote between two anonymous answers, MiMo-V2.6 Flash has a rating of 1,451 (1,444–1,457) from 10,917 votes (published Oct 15, 2026). Human preference is a different measure from benchmark ability and is not part of SI-IQ. Arena (Hugging Face)

Computed with SI-IQ method version 1.0.0. Read the full methodology

Data sources: Arena leaderboard dataset on Hugging Face (CC BY 4.0); Source: OpenRouter (openrouter.ai), licensed under CC BY 4.0: reuse and republish with attribution to OpenRouter (licences and changes).