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MiMo-V2.6-Flash

Xiaomi's smaller open-weights MiMo MoE (MIT) with 309B total and 15B active parameters.

Xiaomi
Open weights
Released 21 Sep 2026

Where it ranks

A
Chat & assistants
Models · Local · 1,451 on LMArena Text Arena (overall, style control)
B
Writing
Models · Local · 1,390 on LMArena Text Arena: Creative Writing (style control)
B
Coding
Models · Local · 1,633 on LMArena WebDev / Code Arena (overall)
A
Image understanding
Models · Local · 1,248 on LMArena Vision Arena (overall, style control)

Facts

Vendor: Xiaomi
Family: MiMo Flash
Released: 21 Sep 2026
Weights: Open: download and run it yourself
License: MIT
Parameters: 309B (15B active)
GPU memory to run locally: ~178 GB (4-bit ≈ 309 B × 0.57 GB + 1.5 GB ≈ 178 GB, estimate.)
API price: $0.14 in / $0.28 out per 1M tokens (OpenRouter listed price)
Access: Free (open weights)
Last verified: 19 Oct 2026

Price from openrouter.ai, 19 Oct 2026.

Benchmark results

Benchmark	Result	Entry on the leaderboard	As of	Source
Artificial Analysis Intelligence Index	38	`MiMo-V2.6-Flash` Raw value from the page's embedded model data; the site displays it rounded to an integer.	19 Oct 2026	artificialanalysis.ai
Artificial Analysis MMMU-Pro (independent evaluation)	73.1%	`MiMo-V2.6-Flash` Raw fraction 0.7306 from the model data embedded in https://artificialanalysis.ai/leaderboards/models, converted to percent; rank 59 of 124 entries with an MMMU-Pro result; no last-updated date shown.	19 Oct 2026	artificialanalysis.ai
LMArena Text Arena (overall, style control)	1,451	`mimo-v2.6-flash` From LMArena's official leaderboard-dataset (text_style_control, split latest, category overall, published 2026-10-15), which mirrors https://arena.ai/leaderboard/text. Rank 77; 10917 votes; 95% CI 1444.4-1457.4.	15 Oct 2026	huggingface.co
LMArena Text Arena: Creative Writing (style control)	1,390	`mimo-v2.6-flash` From LMArena's official leaderboard-dataset (text_style_control, split latest, category creative_writing, published 2026-10-15), which mirrors https://arena.ai/leaderboard/text/creative-writing. Rank 128 of 414; 2109 votes; 95% CI 1376.6-1404.1.	15 Oct 2026	huggingface.co
LMArena Vision Arena (overall, style control)	1,248	`mimo-v2.6-flash` From LMArena's official leaderboard-dataset (vision_style_control, split latest, category overall, published 2026-10-09), which mirrors https://arena.ai/leaderboard/vision. Rank 56 of 165; 2908 votes; 95% CI 1235.7-1259.6.	9 Oct 2026	huggingface.co
LMArena WebDev / Code Arena (overall)	1,633	`MiMo-V2.6-Flash` From LMArena's official leaderboard-dataset (webdev = Code Arena, split latest, category overall, published 2026-10-18), which mirrors https://arena.ai/leaderboard/webdev. Rank 18; 5195 votes; 95% CI 1623.7-1642.8.	18 Oct 2026	huggingface.co

Where you can use it

SOpenRouterRuntimes & gateways · Cloud

Earlier versions

MiMo-V2-Flash · —

Compare

Alternatives to MiMo-V2.6-Flash

Sources