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Mistral Small vs Kimi Linear

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

Mistral
Mistral Small
Moonshot AI
Kimi Linear
Overview
CompanyMistralMoonshot AI
Release dateFeb 26 2024Oct 2025
Model type
Open sourceNoYes
Specifications
Parameters
48B
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapMistral Small shipped 583 days before Kimi Linear

Which is better: Mistral Small or Kimi Linear?

Mistral Small and Kimi Linear do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Mistral Small shipped 583 days before Kimi Linear, so benchmark comparisons should account for the intervening progress.

Kimi Linear is an open-source / open-weight model; Mistral Small is proprietary.

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 released?
Mistral Small was released by Mistral on Feb 26 2024.
When was Kimi Linear released?
Kimi Linear was released by Moonshot AI on Oct 2025.
Is Mistral Small or Kimi Linear open source?
Kimi Linear is an open-source / open-weight model released by Moonshot AI. Mistral Small is a proprietary model released by Mistral.

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