GPT-5.6 Sol vs Gemini 3.1 Pro — Who Actually Wins? Real Benchmark Data (2026)

head to head

GPT-5.6 Sol vs Gemini 3.1 Pro

11 shared benchmarks

11

wins

0

ties

0

wins

7.78%

ARC-AGI 3

0.37%

90.4%

BrowseComp

85.9%

84.6%

CharXiv

83.3%

72.7%

DeepSWE

12.0%

83.0%

FrontierMath

36.9%

94.6%

GPQA Diamond

94.3%

44.5%

Humanity's Last Exam

44.4%

83.6%

MCP-Atlas

78.2%

83.0%

MMMU Pro

80.5%

64.6%

SWE-bench Pro

54.2%

88.8%

Terminal-Bench 2.1

70.3%