GPT-4o vs GPT-5.4

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

Quick Verdict

GPT-5.4 wins overall with a score of 88 vs 56 (32 point difference).GPT-5.4 wins 4 out of 4 categories.

Knowledge

GPT-5.4

GPT-4o

64.5

GPT-5.4

96

66
MMLU
99
66
GPQA
97
64
SuperGPQA
95
62
OpenBookQA
93

Coding

GPT-5.4

GPT-4o

58

GPT-5.4

91

58
HumanEval
91

Mathematics

GPT-5.4

GPT-4o

65

GPT-5.4

97.1

66
AIME 2023
99
68
AIME 2024
99
67
AIME 2025
98
62
HMMT Feb 2023
95
64
HMMT Feb 2024
97
63
HMMT Feb 2025
96
65
BRUMO 2025
96

Reasoning

GPT-5.4

GPT-4o

63

GPT-5.4

94

64
SimpleQA
95
62
MuSR
93

Frequently Asked Questions

Which is better, GPT-4o or GPT-5.4?

GPT-5.4 scores higher overall with 88 vs 56, a difference of 32 points across all benchmarks.

Which is better for knowledge tasks, GPT-4o or GPT-5.4?

GPT-5.4 leads in knowledge tasks with an average score of 96 vs 64.5.

Which is better for coding, GPT-4o or GPT-5.4?

GPT-5.4 leads in coding with an average score of 91 vs 58.

Which is better for math, GPT-4o or GPT-5.4?

GPT-5.4 leads in math with an average score of 97.1 vs 65.

Which is better for reasoning, GPT-4o or GPT-5.4?

GPT-5.4 leads in reasoning with an average score of 94 vs 63.