Mathstral 7B vs Kimi K2
Mistral Mathstral 7B | Moonshot AI Kimi K2 | |
|---|---|---|
| Overview | ||
| Company | Mistral | Moonshot AI |
| Release date | Jul 16 2024 | Jul 11 2025 |
| Access | Open Weight | Open Weight |
| Specifications | ||
Parameters | — | 1T |
Context window | — | 128k |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | — | 10% |
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 | Mathstral 7B shipped 360 days before Kimi K2 | |
Which is better: Mathstral 7B or Kimi K2?
Mathstral 7B and Kimi K2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mathstral 7B shipped 360 days before Kimi K2, 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 — Mathstral 7B and Kimi K2 don't publish scores on any of the same benchmarks.
Frequently asked questions
Mathstral 7B was released by Mistral on Jul 16 2024.
Kimi K2 was released by Moonshot AI on Jul 11 2025.
Other comparisons
Mathstral 7B vs Claude Sonnet 5Kimi K2 vs Claude Sonnet 5Mathstral 7B vs GPT-5.6 SolKimi K2 vs GPT-5.6 SolMathstral 7B vs Gemini OmniKimi K2 vs Gemini OmniMathstral 7B vs Muse Spark 1.1Kimi K2 vs Muse Spark 1.1Mathstral 7B vs Grok 4.5Kimi K2 vs Grok 4.5Mathstral 7B vs DeepSeek-V4-ProKimi K2 vs DeepSeek-V4-Pro