Claude Sonnet 4vsGPT-5.6-Cyber
Claude Sonnet 4 | GPT-5.6-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. | 30% | — |
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. | 72.7% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 75.4% | — |
| Overview | ||
| Company | Anthropic | OpenAI |
| Release date | May 22 2025 | Aug 10 2026 |
| Access | Proprietary | Proprietary |
Which is better: Claude Sonnet 4 or GPT-5.6-Cyber?
Claude Sonnet 4 and GPT-5.6-Cyber don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude Sonnet 4 shipped 445 days before GPT-5.6-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 Sonnet 4 and GPT-5.6-Cyber don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude Sonnet 4 was released by Anthropic on May 22 2025.
GPT-5.6-Cyber was released by OpenAI on Aug 10 2026.
Other comparisons
Claude Sonnet 4vsGemini 3.7 FlashGPT-5.6-CybervsGemini 3.7 FlashClaude Sonnet 4vsMuse GlimmerGPT-5.6-CybervsMuse GlimmerClaude Sonnet 4vsGrok 4.6GPT-5.6-CybervsGrok 4.6Claude Sonnet 4vsDeepSeek-V4-Pro-0813GPT-5.6-CybervsDeepSeek-V4-Pro-0813Claude Sonnet 4vsMistral Medium 3.5GPT-5.6-CybervsMistral Medium 3.5Claude Sonnet 4vsKimi K3GPT-5.6-CybervsKimi K3