Claude Opus 4.8 vs DeepSeek V4 Flash — Who Actually Wins? Real Benchmark Data (2026)

head to head

Claude Opus 4.8 vs DeepSeek V4 Flash

6 shared benchmarks

6

wins

0

ties

0

wins

95.7%

AIME

94.8%

84.3%

BrowseComp

73.2%

91.0%

GPQA Diamond

88.1%

49.8%

Humanity's Last Exam

34.8%

69.2%

SWE-bench Pro

52.6%

84.6%

Terminal-Bench 2.1

62.0%