benchlm.ai

GPT-5 (medium) vs Nemotron-4 15B

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

Quick Verdict

GPT-5 (medium) wins overall with a score of 70 vs 45 (25 point difference).GPT-5 (medium) wins 4 out of 4 categories.

GPT-5 (medium)

CreatorOpenAI
TypeProprietary
Context128K
Score70

Nemotron-4 15B

CreatorNVIDIA
TypeOpen Weight
Context32K
Score45

Knowledge

GPT-5 (medium)

GPT-5 (medium)

88

Nemotron-4 15B

51.8

91
MMLU
54
89
GPQA
53
87
SuperGPQA
51
85
OpenBookQA
49

Coding

GPT-5 (medium)

GPT-5 (medium)

83

Nemotron-4 15B

46

83
HumanEval
46

Mathematics

GPT-5 (medium)

GPT-5 (medium)

92

Nemotron-4 15B

53

93
AIME 2023
54
95
AIME 2024
56
94
AIME 2025
55
89
HMMT Feb 2023
50
91
HMMT Feb 2024
52
90
HMMT Feb 2025
51
92
BRUMO 2025
53

Reasoning

GPT-5 (medium)

GPT-5 (medium)

86

Nemotron-4 15B

51

87
SimpleQA
52
85
MuSR
50

Frequently Asked Questions

Which is better, GPT-5 (medium) or Nemotron-4 15B?

GPT-5 (medium) scores higher overall with 70 vs 45, a difference of 25 points across all benchmarks.

Which is better for knowledge tasks, GPT-5 (medium) or Nemotron-4 15B?

GPT-5 (medium) leads in knowledge tasks with an average score of 88 vs 51.8.

Which is better for coding, GPT-5 (medium) or Nemotron-4 15B?

GPT-5 (medium) leads in coding with an average score of 83 vs 46.

Which is better for math, GPT-5 (medium) or Nemotron-4 15B?

GPT-5 (medium) leads in math with an average score of 92 vs 53.

Which is better for reasoning, GPT-5 (medium) or Nemotron-4 15B?

GPT-5 (medium) leads in reasoning with an average score of 86 vs 51.

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