GPT-OSS 120B vs Qwen3 235B 2507 (Reasoning)

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

Quick Verdict

GPT-OSS 120B wins overall with a score of 42 vs 31 (11 point difference).GPT-OSS 120B wins 4 out of 4 categories.

Knowledge

GPT-OSS 120B

GPT-OSS 120B

48.8

Qwen3 235B 2507 (Reasoning)

37.8

51
MMLU
40
50
GPQA
39
48
SuperGPQA
37
46
OpenBookQA
35

Coding

GPT-OSS 120B

GPT-OSS 120B

43

Qwen3 235B 2507 (Reasoning)

32

43
HumanEval
32

Mathematics

GPT-OSS 120B

GPT-OSS 120B

50

Qwen3 235B 2507 (Reasoning)

39

51
AIME 2023
40
53
AIME 2024
42
52
AIME 2025
41
47
HMMT Feb 2023
36
49
HMMT Feb 2024
38
48
HMMT Feb 2025
37
50
BRUMO 2025
39

Reasoning

GPT-OSS 120B

GPT-OSS 120B

48

Qwen3 235B 2507 (Reasoning)

37

49
SimpleQA
38
47
MuSR
36

Frequently Asked Questions

Which is better, GPT-OSS 120B or Qwen3 235B 2507 (Reasoning)?

GPT-OSS 120B scores higher overall with 42 vs 31, a difference of 11 points across all benchmarks.

Which is better for knowledge tasks, GPT-OSS 120B or Qwen3 235B 2507 (Reasoning)?

GPT-OSS 120B leads in knowledge tasks with an average score of 48.8 vs 37.8.

Which is better for coding, GPT-OSS 120B or Qwen3 235B 2507 (Reasoning)?

GPT-OSS 120B leads in coding with an average score of 43 vs 32.

Which is better for math, GPT-OSS 120B or Qwen3 235B 2507 (Reasoning)?

GPT-OSS 120B leads in math with an average score of 50 vs 39.

Which is better for reasoning, GPT-OSS 120B or Qwen3 235B 2507 (Reasoning)?

GPT-OSS 120B leads in reasoning with an average score of 48 vs 37.