Verdict
o3-pro leads 4–2 across 6 shared benchmarks.
Grok 4 2 · o3-pro 4 · higher isn't always better — check the caveats below.
Reported scores — protocols may differ. How we compare
o3-pro leads 4–2 across 6 shared benchmarks. Grok 4 leads 2 benchmarks and o3-pro leads 4. Higher isn't always better — see the integrity caveats on each benchmark.
Grok 4 and o3-pro have 6 benchmarks in common in our data — those are the only rows where a direct, apples-to-apples comparison is drawn.