Language

Mistral Medium 3.1

By Mistral AI, in the Mistral Medium family.

Released
12 Aug 2025
Status
Retired
Retired
31 Aug 2026
Context
131.1K
Max output
—
Input per 1M tokens
$0.40
Output per 1M tokens
$2.00
Open weights
No
License
proprietary
Parameters
—
Knowledge cutoff
—
Reasoning
No
Modalities
image, text → text

Category scores

Out of 100, from independent and third-party results only, by method category-2026-09-29.1.

Category scores
CategoryScoreRankCoverage
Knowledge & reasoning22.4Not ranked1 of 4
Human preference51.1Not ranked1 of 5

Benchmark results

Every result we hold for this model, with who ran it and where it was published.

Knowledge & reasoning

Knowledge & reasoning results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
DTBench (Decision Theory Benchmark)Accuracy (capability questions)67.5%Third party——https://conceptualreasoning.ai/dtbench via Epoch AI
LMCA (Language Model Conceptual Argumentation)Correlation with expert ratings (Pearson r)0.1905Third party——https://conceptualreasoning.ai/lmca via Epoch AI

Coding & software engineering

Coding & software engineering results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
WeirdML (v2)Average accuracy33.1%Third party——https://htihle.github.io/weirdml.html via Epoch AI

Human preference

Human preference results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
Text Arena (arena.ai)Arena score (Elo scale)1408Independent—25 Sep 2026Arena
Text Arena (arena.ai)Votes95010Independent—25 Sep 2026Arena
Vision Arena (arena.ai)Arena score (Elo scale)1159Independent—28 Sep 2026Arena
Vision Arena (arena.ai)Votes41647Independent—28 Sep 2026Arena

Other Mistral Medium versions

Sources