Verdict
GPT-5 leads 7–0 across 8 shared benchmarks.
GPT-5 7 · o3-pro 0 · 1 tied · higher isn't always better — check the caveats below.
Reported scores — protocols may differ. How we compare
GPT-5 leads 7–0 across 8 shared benchmarks. GPT-5 leads 7 benchmarks and o3-pro leads 0, with 1 tied. Higher isn't always better — see the integrity caveats on each benchmark.
GPT-5 and o3-pro have 8 benchmarks in common in our data — those are the only rows where a direct, apples-to-apples comparison is drawn.
GPT-5 leads unknown 2–0.