Claude Opus 4.1 vs Gemma 4
Anthropic Claude Opus 4.1 | Google Gemma 4 | |
|---|---|---|
| Overview | ||
| Company | Anthropic | |
| Release date | Aug 5 2025 | Apr 2 2026 |
| 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. | 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 | Claude Opus 4.1 shipped 240 days before Gemma 4 | |
Which is better: Claude Opus 4.1 or Gemma 4?
Claude Opus 4.1 and Gemma 4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude Opus 4.1 shipped 240 days before Gemma 4, so benchmark comparisons should account for the intervening progress.
Claude Opus 4.1 is proprietary, while Gemma 4 is open weight.
Direct benchmark comparisons are unavailable — Claude Opus 4.1 and Gemma 4 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.
Gemma 4 was released by Google on Apr 2 2026.
Claude Opus 4.1 is a proprietary model released by Anthropic. Gemma 4 is an open weight model released by Google.
Other comparisons
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