GPT-5.6 Sol vs Kimi K2.6 — Who Actually Wins? Real Benchmark Data (2026)

head to head

GPT-5.6 Sol vs Kimi K2.6

8 shared benchmarks

8

wins

0

ties

0

wins

90.4%

BrowseComp

83.2%

84.6%

CharXiv

80.4%

94.6%

GPQA Diamond

90.5%

44.5%

Humanity's Last Exam

34.7%

83.0%

MMMU Pro

79.4%

62.6%

OSWorld 2.0

22.1%

64.6%

SWE-bench Pro

58.6%

88.8%

Terminal-Bench 2.1

71.3%