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Codestral 22B vs Kimi K2 Thinking

0 vs 1 benchmarks won

Mistral
Codestral 22B
Moonshot AI
Kimi K2 Thinking
Overview
CompanyMistralMoonshot AI
Release dateMay 29 2024Nov 6 2025
Model type
Open sourceNoYes
Specifications
Parameters
1T
Context window
256k
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
71.3%
Multimodal understanding
MMMU
Timeline
Release gapCodestral 22B shipped 526 days before Kimi K2 Thinking

Which is better: Codestral 22B or Kimi K2 Thinking?

Kimi K2 Thinking leads Codestral 22B on 1 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Codestral 22B shipped 526 days before Kimi K2 Thinking, so benchmark comparisons should account for the intervening progress.

Kimi K2 Thinking 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 K2 Thinking released?
Kimi K2 Thinking was released by Moonshot AI on Nov 6 2025.
Is Codestral 22B or Kimi K2 Thinking open source?
Kimi K2 Thinking is an open-source / open-weight model released by Moonshot AI. Codestral 22B is a proprietary model released by Mistral.

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