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Codestral 22B vs Kimi Linear

Mistral Codestral 22B vs Moonshot AI Kimi Linear — side-by-side specs.

Mistral
Codestral 22B
Moonshot AI
Kimi Linear
Overview
CompanyMistralMoonshot AI
Release dateMay 29 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 gapCodestral 22B shipped 490 days before Kimi Linear

Which is better: Codestral 22B or Kimi Linear?

Codestral 22B and Kimi Linear do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Codestral 22B shipped 490 days before Kimi Linear, so benchmark comparisons should account for the intervening progress.

Kimi Linear is an open-source / open-weight model; Codestral 22B 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 Codestral 22B released?
Codestral 22B was released by Mistral on May 29 2024.
When was Kimi Linear released?
Kimi Linear was released by Moonshot AI on Oct 2025.
Is Codestral 22B or Kimi Linear open source?
Kimi Linear is an open-source / open-weight model released by Moonshot AI. Codestral 22B is a proprietary model released by Mistral.

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