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

head to head

Claude Mythos Preview vs DeepSeek V4 Flash

7 shared benchmarks

7

wins

0

ties

0

wins

86.9%

BrowseComp

73.2%

94.6%

GPQA Diamond

88.1%

64.7%

Humanity's Last Exam

34.8%

87.3%

SWE-bench Multilingual

73.3%

77.8%

SWE-bench Pro

52.6%

93.9%

SWE-bench Verified

79.0%

82.0%

Terminal-Bench 2.0

56.9%