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

head to head

Claude Opus 4.7 vs Claude Sonnet 4.6

6 shared benchmarks

6

wins

0

ties

0

wins

79.3%

BrowseComp

74.0%

94.2%

GPQA Diamond

89.9%

87.0%

MMLU Pro

79.2%

78.0%

OSWorld

72.5%

87.6%

SWE-bench Verified

79.6%

77.0%

Terminal-Bench 2.0

59.1%