benchlm.ai

Gemini 1.5 Pro vs GPT-5 (high)

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

Quick Verdict

GPT-5 (high) wins overall with a score of 72 vs 54 (18 point difference).GPT-5 (high) wins 4 out of 4 categories.

Gemini 1.5 Pro

CreatorGoogle
TypeProprietary
Context2M
Score54

GPT-5 (high)

CreatorOpenAI
TypeProprietary
Context128K
Score72

Knowledge

GPT-5 (high)

Gemini 1.5 Pro

62.5

GPT-5 (high)

90

64
MMLU
93
64
GPQA
91
62
SuperGPQA
89
60
OpenBookQA
87

Coding

GPT-5 (high)

Gemini 1.5 Pro

56

GPT-5 (high)

85

56
HumanEval
85

Mathematics

GPT-5 (high)

Gemini 1.5 Pro

63

GPT-5 (high)

94

64
AIME 2023
95
66
AIME 2024
97
65
AIME 2025
96
60
HMMT Feb 2023
91
62
HMMT Feb 2024
93
61
HMMT Feb 2025
92
63
BRUMO 2025
94

Reasoning

GPT-5 (high)

Gemini 1.5 Pro

61

GPT-5 (high)

88

62
SimpleQA
89
60
MuSR
87

Frequently Asked Questions

Which is better, Gemini 1.5 Pro or GPT-5 (high)?

GPT-5 (high) scores higher overall with 72 vs 54, a difference of 18 points across all benchmarks.

Which is better for knowledge tasks, Gemini 1.5 Pro or GPT-5 (high)?

GPT-5 (high) leads in knowledge tasks with an average score of 90 vs 62.5.

Which is better for coding, Gemini 1.5 Pro or GPT-5 (high)?

GPT-5 (high) leads in coding with an average score of 85 vs 56.

Which is better for math, Gemini 1.5 Pro or GPT-5 (high)?

GPT-5 (high) leads in math with an average score of 94 vs 63.

Which is better for reasoning, Gemini 1.5 Pro or GPT-5 (high)?

GPT-5 (high) leads in reasoning with an average score of 88 vs 61.

Related Comparisons

Gemini 1.5 Pro vs GPT-5.4Gemini 1.5 Pro vs Gemini 3.1 ProGemini 1.5 Pro vs Claude Opus 4.6Gemini 1.5 Pro vs GPT-5.3 CodexGemini 1.5 Pro vs Grok 4.1Gemini 1.5 Pro vs GPT-5.2