benchlm.ai

GPT-4o vs GPT-5 (medium)

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

Quick Verdict

GPT-5 (medium) wins overall with a score of 70 vs 56 (14 point difference).GPT-5 (medium) wins 4 out of 4 categories.

GPT-4o

CreatorOpenAI
TypeProprietary
Context128K
Score56

GPT-5 (medium)

CreatorOpenAI
TypeProprietary
Context128K
Score70

Knowledge

GPT-5 (medium)

GPT-4o

64.5

GPT-5 (medium)

88

66
MMLU
91
66
GPQA
89
64
SuperGPQA
87
62
OpenBookQA
85

Coding

GPT-5 (medium)

GPT-4o

58

GPT-5 (medium)

83

58
HumanEval
83

Mathematics

GPT-5 (medium)

GPT-4o

65

GPT-5 (medium)

92

66
AIME 2023
93
68
AIME 2024
95
67
AIME 2025
94
62
HMMT Feb 2023
89
64
HMMT Feb 2024
91
63
HMMT Feb 2025
90
65
BRUMO 2025
92

Reasoning

GPT-5 (medium)

GPT-4o

63

GPT-5 (medium)

86

64
SimpleQA
87
62
MuSR
85

Frequently Asked Questions

Which is better, GPT-4o or GPT-5 (medium)?

GPT-5 (medium) scores higher overall with 70 vs 56, a difference of 14 points across all benchmarks.

Which is better for knowledge tasks, GPT-4o or GPT-5 (medium)?

GPT-5 (medium) leads in knowledge tasks with an average score of 88 vs 64.5.

Which is better for coding, GPT-4o or GPT-5 (medium)?

GPT-5 (medium) leads in coding with an average score of 83 vs 58.

Which is better for math, GPT-4o or GPT-5 (medium)?

GPT-5 (medium) leads in math with an average score of 92 vs 65.

Which is better for reasoning, GPT-4o or GPT-5 (medium)?

GPT-5 (medium) leads in reasoning with an average score of 86 vs 63.

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