Claude Sonnet 4vsGPT-4 Turbo
Claude Sonnet 4 | GPT-4 Turbo | |
|---|---|---|
| Specifications | ||
Context window | — | 128k |
| 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%Best | 42.5% |
| Overview | ||
| Company | Anthropic | OpenAI |
| Release date | May 22 2025 | Nov 6 2023 |
| Access | Proprietary | Proprietary |
Which is better: Claude Sonnet 4 or GPT-4 Turbo?
Claude Sonnet 4 leads GPT-4 Turbo on 1 of the 1 benchmark they both report (GPQA Diamond). GPT-4 Turbo shipped 563 days before Claude Sonnet 4, 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.
On GPQA Diamond, Claude Sonnet 4 leads at 75.4% vs GPT-4 Turbo at 42.5%.
Frequently asked questions
Claude Sonnet 4 was released by Anthropic on May 22 2025.
GPT-4 Turbo was released by OpenAI on Nov 6 2023.
Claude Sonnet 4 leads on GPQA Diamond — Claude Sonnet 4 75.4% vs GPT-4 Turbo 42.5%.
Other comparisons
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