Verdict
Grok 4.6 leads 16–0 across 16 shared benchmarks.
Grok 4.5 0 · Grok 4.6 16 · higher isn't always better — check the caveats below.
Reported scores — protocols may differ. How we compare
Reasoning: Grok 4.6 leads 4–0 across 4 shared reasoning benchmarks (largest gap: SimpleBench, 71.08 vs 64 — single evaluator).
Unknown: Grok 4.6 leads 3–0 across 3 shared unknown benchmarks (largest gap: ProofBench, 51 vs 31 — single evaluator).
Coding: Grok 4.6 leads 2–0 across 2 shared coding benchmarks (largest gap: DeepSWE, 67.48 vs 53.76 — single evaluator).
Math: Grok 4.6 leads 2–0 across 2 shared math benchmarks (largest gap: FrontierMath-Tier-4-v2-Private, 31.71 vs 24.39 — single evaluator).
Grok 4.6 leads 16–0 across 16 shared benchmarks. Grok 4.5 leads 0 benchmarks and Grok 4.6 leads 16. Higher isn't always better — see the integrity caveats on each benchmark.
Grok 4.5 and Grok 4.6 have 16 benchmarks in common in our data — those are the only rows where a direct, apples-to-apples comparison is drawn.
Grok 4.6 leads reasoning 4–0. Grok 4.6 leads unknown 3–0.