AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Codestral 22B vs Kimi K2 Thinking

Mistral
Codestral 22B
Moonshot AI
Kimi K2 Thinking
Overview
CompanyMistralMoonshot AI
Release dateMay 29 2024Nov 6 2025
AccessProprietaryOpen Weight
Specifications
Parameters
1T
Context window
256k
Benchmarks
Coding
SWE-Bench Verified
71.3%
Timeline
Release gapCodestral 22B shipped 526 days before Kimi K2 Thinking

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

Codestral 22B and Kimi K2 Thinking don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Codestral 22B shipped 526 days before Kimi K2 Thinking, so benchmark comparisons should account for the intervening progress.

Codestral 22B is proprietary, while Kimi K2 Thinking is open weight.

Direct benchmark comparisons are unavailable — Codestral 22B and Kimi K2 Thinking don't publish scores on any of the same benchmarks.

Frequently asked questions

Codestral 22B was released by Mistral on May 29 2024.

Kimi K2 Thinking was released by Moonshot AI on Nov 6 2025.

Codestral 22B is a proprietary model released by Mistral. Kimi K2 Thinking is an open weight model released by Moonshot AI.

Other comparisons