Kimi K2.5 vs Grok 4 — Who Actually Wins? Real Benchmark Data (2026)

head to head

Kimi K2.5 vs Grok 4

5 shared benchmarks

4

wins

0

ties

1

wins

96.1%

AIME

94.0%

87.6%

GPQA Diamond

88.0%

24.37%

Humanity's Last Exam

24.0%

87.1%

MMLU Pro

87.0%

76.8%

SWE-bench Verified

58.6%