Claude Opus 4.6 vs Ministral 3 8B-25-12
Anthropic Claude Opus 4.6 | Mistral Ministral 3 8B-25-12 | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Mistral |
| Release date | Feb 5 2026 | 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. | 87% | — |
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. | 80.8% | — |
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. | 75% | — |
Web browsing BrowseCompCan the AI browse the web and track down hard-to-find answers? Higher is better. | 83.7% | — |
Multidisciplinary reasoning Humanity's Last Exam · with toolsHumanity's Last Exam — extremely hard expert questions across many subjects. “With tools” means the AI is allowed to search the web or run code while answering. Higher is better. | 53% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 91.3% | — |
Community preference Arena Elo (Text)Real people chat with two anonymous AIs side by side and vote for the answer they prefer. Votes become a chess-style Elo rating on arena.ai — it measures which AI people actually like, not test scores. Higher is better. | 1504 | — |
Community preference (code) Arena Elo (Code)Like the text arena, but people vote on which AI writes better code. The votes become a chess-style Elo rating on arena.ai. Higher is better. | 1543 | — |
| Timeline | ||
| Release gap | Ministral 3 8B-25-12 shipped 65 days before Claude Opus 4.6 | |
Which is better: Claude Opus 4.6 or Ministral 3 8B-25-12?
Claude Opus 4.6 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. Ministral 3 8B-25-12 shipped 65 days before Claude Opus 4.6, so benchmark comparisons should account for the intervening progress.
Claude Opus 4.6 is proprietary, while Ministral 3 8B-25-12 is open weight.
Direct benchmark comparisons are unavailable — Claude Opus 4.6 and Ministral 3 8B-25-12 don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude Opus 4.6 was released by Anthropic on Feb 5 2026.
Ministral 3 8B-25-12 was released by Mistral on Dec 2 2025.
Claude Opus 4.6 is a proprietary model released by Anthropic. Ministral 3 8B-25-12 is an open weight model released by Mistral.
Other comparisons
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