Claude Opus 4.1vsGemini 3.5 Flash Cyber
Claude Opus 4.1 | Gemini 3.5 Flash Cyber | |
|---|---|---|
| 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 350 days before Gemini 3.5 Flash Cyber | |
| Overview | ||
| Company | Anthropic | |
| Release date | Aug 5 2025 | Jul 21 2026 |
| Access | Proprietary | Proprietary |
Which is better: Claude Opus 4.1 or Gemini 3.5 Flash Cyber?
Claude Opus 4.1 and Gemini 3.5 Flash Cyber don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude Opus 4.1 shipped 350 days before Gemini 3.5 Flash Cyber, 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 Gemini 3.5 Flash Cyber 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.
Gemini 3.5 Flash Cyber was released by Google on Jul 21 2026.
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