Claude Sonnet 4.6 vs DeepSeek V4 Pro — Who Actually Wins? Real Benchmark Data (2026)

head to head

Claude Sonnet 4.6 vs DeepSeek V4 Pro

7 shared benchmarks

0

wins

0

ties

7

wins

74.0%

BrowseComp

83.4%

89.9%

GPQA Diamond

90.1%

33.2%

Humanity's Last Exam

37.7%

69.5%

MCP-Atlas

73.6%

79.2%

MMLU Pro

87.5%

79.6%

SWE-bench Verified

80.6%

59.1%

Terminal-Bench 2.0

67.9%