Claude Opus 4.7 vs Claude Opus 4.6 — Who Actually Wins? Real Benchmark Data (2026)

head to head

Claude Opus 4.7 vs Claude Opus 4.6

18 shared benchmarks

15

wins

0

ties

3

wins

75.8%

ARC-AGI 2

85.0%

79.0%

Aider Polyglot

72.0%

90.9%

BigLaw Bench

90.2%

79.3%

BrowseComp

84.0%

82.1%

CharXiv

61.5%

73.8%

CyberGym

66.6%

94.2%

GPQA Diamond

91.3%

46.9%

Humanity's Last Exam

40.0%

83.0%

LiveCodeBench

76.0%

87.0%

MMLU Pro

82.0%

92.0%

MMMLU

91.1%

59.2%

MRCR v2

93.0%

78.0%

OSWorld

72.7%

85.7%

SWE-bench Multilingual

77.8%

35.0%

SWE-bench Multimodal

27.1%

64.3%

SWE-bench Pro

53.4%

87.6%

SWE-bench Verified

81.42%

77.0%

Terminal-Bench 2.0

65.4%