Claude Opus 4.6 vs Kimi K2.6 — Who Actually Wins? Real Benchmark Data (2026)

head to head

Claude Opus 4.6 vs Kimi K2.6

10 shared benchmarks

6

wins

0

ties

4

wins

100.0%

AIME

96.4%

84.0%

BrowseComp

83.2%

61.5%

CharXiv

80.4%

91.3%

GPQA Diamond

90.5%

40.0%

Humanity's Last Exam

34.7%

72.7%

OSWorld

73.1%

77.8%

SWE-bench Multilingual

76.7%

53.4%

SWE-bench Pro

58.6%

81.42%

SWE-bench Verified

80.2%

65.4%

Terminal-Bench 2.0

66.7%