Verdict
Claude 3 Opus leads 3–2 across 5 shared benchmarks.
Claude 3 Opus 3 · GPT-4 (Mar 2023) 2 · higher isn't always better — check the caveats below.
Reported scores — protocols may differ. How we compare
Claude 3 Opus leads 3–2 across 5 shared benchmarks. Claude 3 Opus leads 3 benchmarks and GPT-4 (Mar 2023) leads 2. Higher isn't always better — see the integrity caveats on each benchmark.
Claude 3 Opus and GPT-4 (Mar 2023) have 5 benchmarks in common in our data — those are the only rows where a direct, apples-to-apples comparison is drawn.