Claude Opus 4.1 vs Mistral Small 3.2
Anthropic Claude Opus 4.1 | Mistral Mistral Small 3.2 | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Mistral |
| Release date | Aug 5 2025 | Jun 20 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 24B |
| 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. | 43% | — |
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. | 74.5% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 80.9% | — |
| Timeline | ||
| Release gap | Mistral Small 3.2 shipped 46 days before Claude Opus 4.1 | |
Which is better: Claude Opus 4.1 or Mistral Small 3.2?
Claude Opus 4.1 and Mistral Small 3.2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small 3.2 shipped 46 days before Claude Opus 4.1, so benchmark comparisons should account for the intervening progress.
Claude Opus 4.1 is proprietary, while Mistral Small 3.2 is open weight.
Direct benchmark comparisons are unavailable — Claude Opus 4.1 and Mistral Small 3.2 don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude Opus 4.1 was released by Anthropic on Aug 5 2025.
Mistral Small 3.2 was released by Mistral on Jun 20 2025.
Claude Opus 4.1 is a proprietary model released by Anthropic. Mistral Small 3.2 is an open weight model released by Mistral.
Other comparisons
Claude Opus 4.1 vs GPT-5.6 SolMistral Small 3.2 vs GPT-5.6 SolClaude Opus 4.1 vs Gemini OmniMistral Small 3.2 vs Gemini OmniClaude Opus 4.1 vs Muse Spark 1.1Mistral Small 3.2 vs Muse Spark 1.1Claude Opus 4.1 vs Grok 4.5Mistral Small 3.2 vs Grok 4.5Claude Opus 4.1 vs DeepSeek-V4-ProMistral Small 3.2 vs DeepSeek-V4-ProClaude Opus 4.1 vs Kimi K2.7 CodeMistral Small 3.2 vs Kimi K2.7 Code