0 vs 2 benchmarks won
Anthropic Claude 3 Opus | Anthropic Claude Opus 4 | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Anthropic |
| Release date | Mar 4 2024 | May 22 2025 |
| Model type | — | — |
| Open source | No | No |
| Specifications | ||
Parameters | — | — |
Context window | — | — |
| Benchmarks | ||
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. | 33% | 72.5%Best |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 50.4% | 79.6%Best |
| Timeline | ||
| Release gap | Claude 3 Opus shipped 444 days before Claude Opus 4 | |
Claude Opus 4 leads Claude 3 Opus on 2 of the 2 benchmarks they both report (SWE-Bench Verified, GPQA Diamond). Claude 3 Opus shipped 444 days before Claude Opus 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 SWE-Bench Verified, Claude Opus 4 leads at 72.5% vs Claude 3 Opus at 33%. On GPQA Diamond, Claude Opus 4 leads at 79.6% vs Claude 3 Opus at 50.4%.