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Mistral Small 3.1 vs Kimi Linear

Mistral Mistral Small 3.1 vs Moonshot AI Kimi Linear — side-by-side specs.

Mistral
Mistral Small 3.1
Moonshot AI
Kimi Linear
Overview
CompanyMistralMoonshot AI
Release dateMar 17 2025Oct 2025
Model type
Open sourceYesYes
Specifications
Parameters
48B
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapMistral Small 3.1 shipped 198 days before Kimi Linear

Which is better: Mistral Small 3.1 or Kimi Linear?

Mistral Small 3.1 and Kimi Linear do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Mistral Small 3.1 shipped 198 days before Kimi Linear, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Mistral Small 3.1 released?
Mistral Small 3.1 was released by Mistral on Mar 17 2025.
When was Kimi Linear released?
Kimi Linear was released by Moonshot AI on Oct 2025.

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