GPT-5.1-Codex-Max vs Nemotron 3 Nano 30B

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

Quick Verdict

GPT-5.1-Codex-Max wins overall with a score of 77 vs 47 (30 point difference).GPT-5.1-Codex-Max wins 4 out of 4 categories.

Knowledge

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

95

Nemotron 3 Nano 30B

54.8

98
MMLU
57
96
GPQA
56
94
SuperGPQA
54
92
OpenBookQA
52

Coding

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

94

Nemotron 3 Nano 30B

49

94
HumanEval
49

Mathematics

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

97.1

Nemotron 3 Nano 30B

56

99
AIME 2023
57
99
AIME 2024
59
98
AIME 2025
58
95
HMMT Feb 2023
53
97
HMMT Feb 2024
55
96
HMMT Feb 2025
54
96
BRUMO 2025
56

Reasoning

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

93

Nemotron 3 Nano 30B

53

94
SimpleQA
54
92
MuSR
52

Frequently Asked Questions

Which is better, GPT-5.1-Codex-Max or Nemotron 3 Nano 30B?

GPT-5.1-Codex-Max scores higher overall with 77 vs 47, a difference of 30 points across all benchmarks.

Which is better for knowledge tasks, GPT-5.1-Codex-Max or Nemotron 3 Nano 30B?

GPT-5.1-Codex-Max leads in knowledge tasks with an average score of 95 vs 54.8.

Which is better for coding, GPT-5.1-Codex-Max or Nemotron 3 Nano 30B?

GPT-5.1-Codex-Max leads in coding with an average score of 94 vs 49.

Which is better for math, GPT-5.1-Codex-Max or Nemotron 3 Nano 30B?

GPT-5.1-Codex-Max leads in math with an average score of 97.1 vs 56.

Which is better for reasoning, GPT-5.1-Codex-Max or Nemotron 3 Nano 30B?

GPT-5.1-Codex-Max leads in reasoning with an average score of 93 vs 53.