GPT-OSS 120B vs Llama 4 Maverick

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

Quick Verdict

GPT-OSS 120B wins overall with a score of 42 vs 37 (5 point difference).GPT-OSS 120B wins 4 out of 4 categories.

Knowledge

GPT-OSS 120B

GPT-OSS 120B

48.8

Llama 4 Maverick

43.8

51
MMLU
46
50
GPQA
45
48
SuperGPQA
43
46
OpenBookQA
41

Coding

GPT-OSS 120B

GPT-OSS 120B

43

Llama 4 Maverick

38

43
HumanEval
38

Mathematics

GPT-OSS 120B

GPT-OSS 120B

50

Llama 4 Maverick

45

51
AIME 2023
46
53
AIME 2024
48
52
AIME 2025
47
47
HMMT Feb 2023
42
49
HMMT Feb 2024
44
48
HMMT Feb 2025
43
50
BRUMO 2025
45

Reasoning

GPT-OSS 120B

GPT-OSS 120B

48

Llama 4 Maverick

43

49
SimpleQA
44
47
MuSR
42

Frequently Asked Questions

Which is better, GPT-OSS 120B or Llama 4 Maverick?

GPT-OSS 120B scores higher overall with 42 vs 37, a difference of 5 points across all benchmarks.

Which is better for knowledge tasks, GPT-OSS 120B or Llama 4 Maverick?

GPT-OSS 120B leads in knowledge tasks with an average score of 48.8 vs 43.8.

Which is better for coding, GPT-OSS 120B or Llama 4 Maverick?

GPT-OSS 120B leads in coding with an average score of 43 vs 38.

Which is better for math, GPT-OSS 120B or Llama 4 Maverick?

GPT-OSS 120B leads in math with an average score of 50 vs 45.

Which is better for reasoning, GPT-OSS 120B or Llama 4 Maverick?

GPT-OSS 120B leads in reasoning with an average score of 48 vs 43.