Claude Mythos Preview vs GLM-5.1 — Who Actually Wins? Real Benchmark Data (2026)

head to head

Claude Mythos Preview vs GLM-5.1

6 shared benchmarks

6

wins

0

ties

0

wins

86.9%

BrowseComp

68.0%

83.1%

CyberGym

68.7%

94.6%

GPQA Diamond

86.2%

77.8%

SWE-bench Pro

58.4%

93.9%

SWE-bench Verified

77.8%

82.0%

Terminal-Bench 2.0

69.0%