Claude Sonnet 4 vs Mixtral 8×7B
Anthropic Claude Sonnet 4 | Mistral Mixtral 8×7B | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Mistral |
| Release date | May 22 2025 | Dec 8 2023 |
| Access | Proprietary | Open Weight |
| 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. | 30% | — |
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. | 72.7% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 75.4% | — |
| Timeline | ||
| Release gap | Mixtral 8×7B shipped 531 days before Claude Sonnet 4 | |
Which is better: Claude Sonnet 4 or Mixtral 8×7B?
Claude Sonnet 4 and Mixtral 8×7B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mixtral 8×7B shipped 531 days before Claude Sonnet 4, so benchmark comparisons should account for the intervening progress.
Claude Sonnet 4 is proprietary, while Mixtral 8×7B is open weight.
Direct benchmark comparisons are unavailable — Claude Sonnet 4 and Mixtral 8×7B don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude Sonnet 4 was released by Anthropic on May 22 2025.
Mixtral 8×7B was released by Mistral on Dec 8 2023.
Claude Sonnet 4 is a proprietary model released by Anthropic. Mixtral 8×7B is an open weight model released by Mistral.
Other comparisons
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