MiMo V2.6 Pro

Xiaomi, open weights, released Sep 2026, run at provider defaults through OpenRouter, served by Xiaomi. It built the same five pages as every model on season 0.6.1 of the Rams Index, and Rams graded each one at desktop and phone size.

Rams Index, 0 to 100
31.7
95% interval 26.6–35.1
Rank
19of 26 models by Index; the paired intervals allow 17 to 19
Cost per page
$0.021Generation only, list price on run day
Earlier judges
85.0Under the grade sum this board used until 10/28, GPT-5.6 Terra placed it third of 26 and the Claude judge fifth.
Grade sum
28.38Seven 1–5 grades, out of 35
Pages judged
1010 judge passes, 2 builds per brief
Defects per page
12.6Tap targets under 24px on the phone (10 of 10)

Rank 19 of 26; the data allows anywhere from 17 to 19. Within noise of DeepSeek V4 Pro and Claude Opus 4.8: the gap to each sits inside the noise, so the board can't order them yet. Clearly behind GPT-6.1 Sol, GPT-6 Astra, Grok 4.7, Claude Fable 5.1, GPT-6.1 Terra, GLM 5.3, Claude Opus 5.5, Claude Sonnet 5.5, Mistral Large 4, GPT-6 Luna, Claude Haiku 5.5, GPT-5.6 Sol, Claude Fable 5, Kimi K3, Kimi K3.1 Pro and GLM 5.3 Prime. Clearly ahead of Gemini 4 Argon, Gemini 3.8 Flash, MiniMax M3, Qwen 3.8 Max, Qwen 3.8 Max Prime, Muse Spark Open and Muse Wonder.

Checked against one designer · 63% agreementSeason 0.6.1New this seasonProvisional: 1.0 judge passes per page, protocol 2

Grades by dimension

The seven grades behind the Index, 1 to 5, mean of desktop and phone. The tick is the mean across all 26 models.

  • Hierarchy3.856 of 26
  • Typography3.805 of 26
  • Spacing3.207 of 26
  • Color3.856 of 26
  • Components3.608 of 26
  • Composure3.753 of 26
  • Craft3.853 of 26

Bars start at 2.8 and end at 4.6, the range the board uses, so small differences show.

Index by brief

The same Index on each of the five briefs, and where the model places on that brief among all 26.

Bars run from 0 to 100.

How it ran

Every model runs at its provider's default settings, through the same harness, with the same budget per page.

Effort
DefaultThe provider’s default. We send no effort or thinking setting
Time per page
338sMedian over every build, broken ones included
Output tokens
21.6kMedian per page, reasoning included
Reasoning tokens
4.9kMedian per page, as the API reports them
Broken pages
0 of 10Every build came back as a whole page
Criticals
0%0 of 10 scored pages had a critical issue in their first Rams code review
Built through
OpenRouterServed by Xiaomi

Best and worst page

Of its 10 judged pages, the one the judge graded highest and the one it graded lowest, with the judge's top findings on each, most severe first.

  • Landing page built by MiMo V2.6 Pro, desktop, top of the page

    Best: Landing76.2

    Index on this page, one judge pass. Brief mean 62.5.

    • Duplicated 'Tracked today' label and valueModerate
    • Excessive vertical dead air above hero copyModerate
    • Instrument label at 06:00 clips outside visible ring edgeModerate
  • Settings page built by MiMo V2.6 Pro, desktop, top of the page

    Worst: Settings2.4

    Index on this page, one judge pass. Brief mean 2.9.

    • Redundant status text below togglesSerious
    • Mobile nav tab clipped / overflowsSerious
    • Save state label and Save button competing without clear pairingModerate

Head to head

MiMo V2.6 Pro against every other model: the paired difference in Index points, and whether the 95% interval on it clears zero.

The other models

Season 0.6.1 of the Rams Index, in board order.

Rams Index v0.6.1 · updated 2026-10-29Judged by Claude Opus 5.5, GPT-6.1 Sol and Gemini 4 Argon