Claude Sonnet 4.5 vs Ministral 3 8B-25-12
Anthropic Claude Sonnet 4.5 | Mistral Ministral 3 8B-25-12 | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Mistral |
| Release date | Sep 29 2025 | Dec 2 2025 |
| 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. | 79% | — |
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. | 77.2% | — |
Next.js coding Next.js EvalsVercel's open eval of how well AI coding agents build and migrate real Next.js apps — measured as the share of tasks the agent completes successfully. Higher is better. | 50% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 83.4% | — |
Multimodal MMMUTests the AI on understanding images and text together across many college subjects. Higher is better. | 68% | — |
| Timeline | ||
| Release gap | Claude Sonnet 4.5 shipped 64 days before Ministral 3 8B-25-12 | |
Which is better: Claude Sonnet 4.5 or Ministral 3 8B-25-12?
Claude Sonnet 4.5 and Ministral 3 8B-25-12 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude Sonnet 4.5 shipped 64 days before Ministral 3 8B-25-12, so benchmark comparisons should account for the intervening progress.
Claude Sonnet 4.5 is proprietary, while Ministral 3 8B-25-12 is open weight.
Direct benchmark comparisons are unavailable — Claude Sonnet 4.5 and Ministral 3 8B-25-12 don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude Sonnet 4.5 was released by Anthropic on Sep 29 2025.
Ministral 3 8B-25-12 was released by Mistral on Dec 2 2025.
Claude Sonnet 4.5 is a proprietary model released by Anthropic. Ministral 3 8B-25-12 is an open weight model released by Mistral.
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