Claude Opus 4.1 vs o4-mini-high
Anthropic Claude Opus 4.1 | OpenAI o4-mini-high | |
|---|---|---|
| Overview | ||
| Company | Anthropic | OpenAI |
| Release date | Aug 5 2025 | Apr 16 2025 |
| 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. | 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 | o4-mini-high shipped 111 days before Claude Opus 4.1 | |
Which is better: Claude Opus 4.1 or o4-mini-high?
Claude Opus 4.1 and o4-mini-high don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o4-mini-high shipped 111 days before Claude Opus 4.1, 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 4.1 and o4-mini-high 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.
o4-mini-high was released by OpenAI on Apr 16 2025.
Other comparisons
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