GPT-5.2-Codex vs Llama 4 Maverick

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

Quick Verdict

GPT-5.2-Codex wins overall with a score of 82 vs 37 (45 point difference).GPT-5.2-Codex wins 4 out of 4 categories.

Knowledge

GPT-5.2-Codex

GPT-5.2-Codex

96

Llama 4 Maverick

43.8

99
MMLU
46
97
GPQA
45
95
SuperGPQA
43
93
OpenBookQA
41

Coding

GPT-5.2-Codex

GPT-5.2-Codex

95

Llama 4 Maverick

38

95
HumanEval
38

Mathematics

GPT-5.2-Codex

GPT-5.2-Codex

97.1

Llama 4 Maverick

45

99
AIME 2023
46
99
AIME 2024
48
98
AIME 2025
47
95
HMMT Feb 2023
42
97
HMMT Feb 2024
44
96
HMMT Feb 2025
43
96
BRUMO 2025
45

Reasoning

GPT-5.2-Codex

GPT-5.2-Codex

94

Llama 4 Maverick

43

95
SimpleQA
44
93
MuSR
42

Frequently Asked Questions

Which is better, GPT-5.2-Codex or Llama 4 Maverick?

GPT-5.2-Codex scores higher overall with 82 vs 37, a difference of 45 points across all benchmarks.

Which is better for knowledge tasks, GPT-5.2-Codex or Llama 4 Maverick?

GPT-5.2-Codex leads in knowledge tasks with an average score of 96 vs 43.8.

Which is better for coding, GPT-5.2-Codex or Llama 4 Maverick?

GPT-5.2-Codex leads in coding with an average score of 95 vs 38.

Which is better for math, GPT-5.2-Codex or Llama 4 Maverick?

GPT-5.2-Codex leads in math with an average score of 97.1 vs 45.

Which is better for reasoning, GPT-5.2-Codex or Llama 4 Maverick?

GPT-5.2-Codex leads in reasoning with an average score of 94 vs 43.