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MiMo-V2.6-Pro

Xiaomi's open-weights MiMo MoE line under MIT; MiMo-V2.6-Pro has 1.02T total and 42B activated parameters.

  • Xiaomi
  • Open weights
  • Released 21 Sep 2026

Official page

Where it ranks

  • A
    Chat & assistants
    Models · Local · 1,479 on LMArena Text Arena (overall, style control)
  • A
    Writing
    Models · Local · 1,445 on LMArena Text Arena: Creative Writing (style control)
  • C
    Coding
    Models · Local · 1,626 on LMArena WebDev / Code Arena (overall)
  • A
    Image understanding
    Models · Local · 1,246 on LMArena Vision Arena (overall, style control)
  • C
    Workflow automation
    Models · Local · 58.6% on AutomationBench-AA (Artificial Analysis)

Facts

Vendor
Xiaomi
Family
MiMo
Released
21 Sep 2026
Weights
Open: download and run it yourself
License
MIT
Parameters
1020B (42B active)
GPU memory to run locally
~585 GB (4-bit ≈ 1.02 T × 0.57 GB ≈ 585 GB, estimate.)
API price
$0.43 in / $0.87 out per 1M tokens
Access
Free (open weights)
Last verified
18 Oct 2026

Price from openrouter.ai, 18 Oct 2026.

Benchmark results

BenchmarkResultEntry on the leaderboardAs ofSource
Artificial Analysis Intelligence Index46MiMo-V2.6-Pro
Raw value from the page's embedded model data; the site displays it rounded to an integer.
18 Oct 2026artificialanalysis.ai
AutomationBench-AA (Artificial Analysis)58.6%MiMo-V2.6-Pro
AutomationBench-AA Score (share of each task's objectives completed, a task with any guardrail violation scoring zero); raw value from the page's embedded model data (displayed rounded); rank 21 of 32; Tasks Completed 25.42%, Objectives Completed 87.65%; no last-updated date shown, so as_of = retrieval date.
19 Oct 2026artificialanalysis.ai
LMArena Text Arena (overall, style control)1,479mimo-v2.6-pro
From LMArena's official leaderboard-dataset (text_style_control, split latest, category overall, published 2026-10-15), which mirrors https://arena.ai/leaderboard/text (site blocks automated fetches).
15 Oct 2026huggingface.co
LMArena Text Arena: Creative Writing (style control)1,445mimo-v2.6-pro
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 (site blocks automated fetches). Rank 52 of 414; 793 votes; 95% CI 1423.6-1465.8.
15 Oct 2026huggingface.co
LMArena Vision Arena (overall, style control)1,246mimo-v2.6-pro
From LMArena's official leaderboard-dataset (vision_style_control, split latest, category overall, published 2026-10-09), which mirrors https://arena.ai/leaderboard/vision (site blocks automated fetches). Rank 59 of 165; 1778 votes; 95% CI 1231.4-1260.7.
9 Oct 2026huggingface.co
LMArena WebDev / Code Arena (overall)1,626MiMo-V2.6-Pro
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 21; 4959 votes; 95% CI 1616.0-1635.4.
18 Oct 2026huggingface.co

Where you can use it

Earlier versions

  • MiMo-V2.5-Pro · —

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Alternatives to MiMo-V2.6-Pro

Sources