benchlm.ai

Gemini 3 Flash vs GPT-4o

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

Quick Verdict

Gemini 3 Flash wins overall with a score of 58 vs 56 (2 point difference).Gemini 3 Flash wins 4 out of 4 categories.

Gemini 3 Flash

CreatorGoogle
TypeProprietary
Context1M
Score58

GPT-4o

CreatorOpenAI
TypeProprietary
Context128K
Score56

Knowledge

Gemini 3 Flash

Gemini 3 Flash

67.8

GPT-4o

64.5

70
MMLU
66
69
GPQA
66
67
SuperGPQA
64
65
OpenBookQA
62

Coding

Gemini 3 Flash

Gemini 3 Flash

62

GPT-4o

58

62
HumanEval
58

Mathematics

Gemini 3 Flash

Gemini 3 Flash

69

GPT-4o

65

70
AIME 2023
66
72
AIME 2024
68
71
AIME 2025
67
66
HMMT Feb 2023
62
68
HMMT Feb 2024
64
67
HMMT Feb 2025
63
69
BRUMO 2025
65

Reasoning

Gemini 3 Flash

Gemini 3 Flash

66

GPT-4o

63

67
SimpleQA
64
65
MuSR
62

Frequently Asked Questions

Which is better, Gemini 3 Flash or GPT-4o?

Gemini 3 Flash scores higher overall with 58 vs 56, a difference of 2 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3 Flash or GPT-4o?

Gemini 3 Flash leads in knowledge tasks with an average score of 67.8 vs 64.5.

Which is better for coding, Gemini 3 Flash or GPT-4o?

Gemini 3 Flash leads in coding with an average score of 62 vs 58.

Which is better for math, Gemini 3 Flash or GPT-4o?

Gemini 3 Flash leads in math with an average score of 69 vs 65.

Which is better for reasoning, Gemini 3 Flash or GPT-4o?

Gemini 3 Flash leads in reasoning with an average score of 66 vs 63.

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