Verdict
Grok 4.6 leads 13–0 across 13 shared benchmarks.
Grok 4.6 13 · Kimi K2.6 0 · higher isn't always better — check the caveats below.
Reported scores — protocols may differ. How we compare
Unknown: Grok 4.6 leads 6–0 across 6 shared unknown benchmarks (largest gap: ProofBench, 51 vs 16 — single evaluator).
Math: Grok 4.6 leads 2–0 across 2 shared math benchmarks (largest gap: FrontierMath-Tier-4-v2-Private, 31.71 vs 25.64 — single evaluator).
Reasoning: Grok 4.6 leads 2–0 across 2 shared reasoning benchmarks (largest gap: SimpleQA Verified, 49.3 vs 34.9 — protocols undisclosed).
Grok 4.6 leads 13–0 across 13 shared benchmarks. Grok 4.6 leads 13 benchmarks and Kimi K2.6 leads 0. Higher isn't always better — see the integrity caveats on each benchmark.
Grok 4.6 and Kimi K2.6 have 13 benchmarks in common in our data — those are the only rows where a direct, apples-to-apples comparison is drawn.
Grok 4.6 leads unknown 6–0. Grok 4.6 leads math 2–0.