benchlm.ai

Gemini 3 Pro Deep Think vs GPT-5 (high)

Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.

Quick Verdict

Gemini 3 Pro Deep Think wins overall with a score of 81 vs 72 (9 point difference).Gemini 3 Pro Deep Think wins 4 out of 4 categories.

Gemini 3 Pro Deep Think

CreatorGoogle
TypeProprietary
Context2M
Score81

GPT-5 (high)

CreatorOpenAI
TypeProprietary
Context128K
Score72

Knowledge

Gemini 3 Pro Deep Think

Gemini 3 Pro Deep Think

96

GPT-5 (high)

90

99
MMLU
93
97
GPQA
91
95
SuperGPQA
89
93
OpenBookQA
87

Coding

Gemini 3 Pro Deep Think

Gemini 3 Pro Deep Think

91

GPT-5 (high)

85

91
HumanEval
85

Mathematics

Gemini 3 Pro Deep Think

Gemini 3 Pro Deep Think

97.1

GPT-5 (high)

94

99
AIME 2023
95
99
AIME 2024
97
98
AIME 2025
96
95
HMMT Feb 2023
91
97
HMMT Feb 2024
93
96
HMMT Feb 2025
92
96
BRUMO 2025
94

Reasoning

Gemini 3 Pro Deep Think

Gemini 3 Pro Deep Think

94

GPT-5 (high)

88

95
SimpleQA
89
93
MuSR
87

Frequently Asked Questions

Which is better, Gemini 3 Pro Deep Think or GPT-5 (high)?

Gemini 3 Pro Deep Think scores higher overall with 81 vs 72, a difference of 9 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3 Pro Deep Think or GPT-5 (high)?

Gemini 3 Pro Deep Think leads in knowledge tasks with an average score of 96 vs 90.

Which is better for coding, Gemini 3 Pro Deep Think or GPT-5 (high)?

Gemini 3 Pro Deep Think leads in coding with an average score of 91 vs 85.

Which is better for math, Gemini 3 Pro Deep Think or GPT-5 (high)?

Gemini 3 Pro Deep Think leads in math with an average score of 97.1 vs 94.

Which is better for reasoning, Gemini 3 Pro Deep Think or GPT-5 (high)?

Gemini 3 Pro Deep Think leads in reasoning with an average score of 94 vs 88.

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