Claude Opus 4.5 vs Mistral Medium
Anthropic Claude Opus 4.5 | Mistral Mistral Medium | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Mistral |
| Release date | Nov 24 2025 | Dec 2023 |
| Access | Proprietary | Proprietary |
| 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. | 90% | — |
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. | 80.9% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 87% | — |
| Timeline | ||
| Release gap | Mistral Medium shipped 724 days before Claude Opus 4.5 | |
Which is better: Claude Opus 4.5 or Mistral Medium?
Claude Opus 4.5 and Mistral Medium don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Medium shipped 724 days before Claude Opus 4.5, 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 — Claude Opus 4.5 and Mistral Medium don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude Opus 4.5 was released by Anthropic on Nov 24 2025.
Mistral Medium was released by Mistral on Dec 2023.
Other comparisons
Claude Opus 4.5 vs GPT-5.6 SolMistral Medium vs GPT-5.6 SolClaude Opus 4.5 vs Gemini OmniMistral Medium vs Gemini OmniClaude Opus 4.5 vs Muse Spark 1.1Mistral Medium vs Muse Spark 1.1Claude Opus 4.5 vs Grok 4.5Mistral Medium vs Grok 4.5Claude Opus 4.5 vs DeepSeek-V4-ProMistral Medium vs DeepSeek-V4-ProClaude Opus 4.5 vs Kimi K2.7 CodeMistral Medium vs Kimi K2.7 Code