Gemini 3.1 Pro vs Step-3.5-Flash — Who Actually Wins? Real Benchmark Data (2026)

head to head

Gemini 3.1 Pro vs Step-3.5-Flash

6 shared benchmarks

6

wins

0

ties

0

wins

98.13%

AIME

97.3%

85.9%

BrowseComp

69.0%

94.3%

GPQA Diamond

83.5%

90.99%

MMLU Pro

84.4%

80.6%

SWE-bench Verified

74.4%

80.2%

Terminal-Bench 2.0

51.0%