GPT-5.4 vs Muse Spark — Who Actually Wins? Real Benchmark Data (2026)

head to head

GPT-5.4 vs Muse Spark

6 shared benchmarks

4

wins

0

ties

2

wins

73.3%

ARC-AGI 2

42.5%

92.8%

GPQA Diamond

89.5%

36.24%

Humanity's Last Exam

58.0%

81.2%

MMMU Pro

80.5%

57.7%

SWE-bench Pro

52.0%

77.2%

SWE-bench Verified

77.4%