> MiMo-V2.6-Pro is an open-weights AI model from Xiaomi, released 21 Sep 2026. Estimated index score ~178 (GPT-4 = 100), not yet independently tested. API price $0.43 in / $0.87 out per million tokens, 1.05M context.

[Models](https://themodelindex.org/models/) /[Xiaomi](https://themodelindex.org/labs/xiaomi/)

# MiMo-V2.6-Pro

Xiaomi

Released 21 Sep 2026

Open

Date verified

[Compare](https://themodelindex.org/compare/mimo-v2-6-pro-vs-claude-opus-5-5/) [Run it yourself →](https://themodelindex.org/local/) [Announcement](https://huggingface.co/XiaomiMiMo/MiMo-V2.6-Pro-RL)

~178167–189

Estimated index score

expected range · not ranked until independently tested

–

Core tests taken

no independent results yet

−20

Versus the frontier at release

best then: GPT-6 Astra

$0.43/ $0.87

Price per million tokens

input / output, list price

1.05M

Context window

tokens it reads at once

## Where it sits · on the frontier

_Chart: Model Index score of every scored model since late 2022, with the best closed and best open model over time_

Dashed ring: an estimate until Epoch AI publishes results for this model.

## Test results · by area · tick = best by any model

Reasoning & knowledge

no evidence yet

GPQA Diamond

no result

Humanity's Last Exam

no result

Maths

no evidence yet

FrontierMath T1-3

no result

Coding

no evidence yet

SWE-bench Verified

no result

Terminal-Bench

no result

Agents

no evidence yet

APEX-Agents

no result

Novel problems

no evidence yet

ARC-AGI-2

no result

Long tasks

no evidence yet

METR time horizon

no result

Independent results from the Epoch AI benchmarking hub, best reasoning setting. The core tests are shown here; anchor tests also inform the score and can be shown above.

## What others say · rank on each leaderboard

LMArena · Coding

coding questions in chat

#8

of 383 · 1540

Artificial Analysis Intelligence Index

overall capability across ten evaluations

#10

of 207 · 46

LMArena · Text

overall chat quality, judged by people

#24

of 388 · 1480

LMArena · Maths

maths questions in chat

#28

of 373 · 1486

LMArena · Creative writing

creative writing

#46

of 386 · 1445

LMArena · WebDev

building web apps and front ends

#21

of 123 · 1619

LMArena · Vision

understanding images

#47

of 149 · 1246

Further left is better. Leaderboards measure different things: LMArena is people voting blind between two answers, the others are test scores. Click any row for the source.

## Best at · top three among current models

3rd

coding questions in chat

LMArena · Coding

Where this model places in the top three of today's models, on category leaderboards and on our core tests.

## Where to use it · prices checked 1 Oct 2026

#### From the lab

MiMo

app · subscription

↗

#### API providers · 3 · per million tokens, in / out

G

GMICloud

$0.41 / $0.83 · bf16

cheapest

D

DeepInfra

$0.43 / $0.87 · fp8

↗

X

Xiaomi

$0.43 / $0.87 · fp8

↗

#### Run it yourself

🤗

Official weights

XiaomiMiMo/MiMo-V2.6-Pro-RL

↗

Provider prices come from OpenRouter's live listing; going direct to a provider can differ. Subscriptions are the lab's own apps.

## Facts and sources

Released

21 Sep 2026

Announcement

[huggingface.co ↗](https://huggingface.co/XiaomiMiMo/MiMo-V2.6-Pro-RL)

Release entry

MiMo-V2.6-Pro

Scored as

–

Artificial Analysis index

46

Weights

[huggingface.co/XiaomiMiMo ↗](https://huggingface.co/XiaomiMiMo)

Output speed

42 tokens/s

Hugging Face

[XiaomiMiMo/MiMo-V2.6-Pro-RL ↗](https://huggingface.co/XiaomiMiMo/MiMo-V2.6-Pro-RL)

## Xiaomi releases · around this one

MiMo-V2.5-Pro

Open

22 APR 2026

MiMo-V2.6-Flash

Open

21 SEP 2026

~167 est.

MiMo-V2.6-Pro

Open

21 SEP 2026

~178 est.

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Source: https://themodelindex.org/models/mimo-v2-6-pro/ · The Model Index · data as of 2026-10-01