Codestral Mamba 7B vs Kimi K2 (0905)
Mistral Codestral Mamba 7B | Moonshot AI Kimi K2 (0905) | |
|---|---|---|
| Overview | ||
| Company | Mistral | Moonshot AI |
| Release date | Jul 16 2024 | Sep 5 2025 |
| Access | Open Weight | Open Weight |
| Specifications | ||
Parameters | — | 1T |
Context window | — | 256k |
| Benchmarks | ||
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | — | 65.8% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | — | 75.1% |
| Timeline | ||
| Release gap | Codestral Mamba 7B shipped 416 days before Kimi K2 (0905) | |
Which is better: Codestral Mamba 7B or Kimi K2 (0905)?
Codestral Mamba 7B and Kimi K2 (0905) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Codestral Mamba 7B shipped 416 days before Kimi K2 (0905), 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 — Codestral Mamba 7B and Kimi K2 (0905) don't publish scores on any of the same benchmarks.
Frequently asked questions
Codestral Mamba 7B was released by Mistral on Jul 16 2024.
Kimi K2 (0905) was released by Moonshot AI on Sep 5 2025.
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