benchlm.ai

GPT-OSS 20B vs Qwen3 235B 2507

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

Quick Verdict

Qwen3 235B 2507 wins overall with a score of 30 vs 22 (8 point difference).Qwen3 235B 2507 wins 4 out of 4 categories.

GPT-OSS 20B

CreatorOpenAI
TypeOpen Weight
Context128K
Score22

Qwen3 235B 2507

CreatorAlibaba
TypeOpen Weight
Context128K
Score30

Knowledge

Qwen3 235B 2507

GPT-OSS 20B

28.8

Qwen3 235B 2507

36.8

31
MMLU
39
30
GPQA
38
28
SuperGPQA
36
26
OpenBookQA
34

Coding

Qwen3 235B 2507

GPT-OSS 20B

23

Qwen3 235B 2507

31

23
HumanEval
31

Mathematics

Qwen3 235B 2507

GPT-OSS 20B

30

Qwen3 235B 2507

38

31
AIME 2023
39
33
AIME 2024
41
32
AIME 2025
40
27
HMMT Feb 2023
35
29
HMMT Feb 2024
37
28
HMMT Feb 2025
36
30
BRUMO 2025
38

Reasoning

Qwen3 235B 2507

GPT-OSS 20B

28

Qwen3 235B 2507

36

29
SimpleQA
37
27
MuSR
35

Frequently Asked Questions

Which is better, GPT-OSS 20B or Qwen3 235B 2507?

Qwen3 235B 2507 scores higher overall with 30 vs 22, a difference of 8 points across all benchmarks.

Which is better for knowledge tasks, GPT-OSS 20B or Qwen3 235B 2507?

Qwen3 235B 2507 leads in knowledge tasks with an average score of 36.8 vs 28.8.

Which is better for coding, GPT-OSS 20B or Qwen3 235B 2507?

Qwen3 235B 2507 leads in coding with an average score of 31 vs 23.

Which is better for math, GPT-OSS 20B or Qwen3 235B 2507?

Qwen3 235B 2507 leads in math with an average score of 38 vs 30.

Which is better for reasoning, GPT-OSS 20B or Qwen3 235B 2507?

Qwen3 235B 2507 leads in reasoning with an average score of 36 vs 28.

Related Comparisons

GPT-OSS 20B vs GPT-5.4GPT-OSS 20B vs Gemini 3.1 ProGPT-OSS 20B vs Claude Opus 4.6GPT-OSS 20B vs GPT-5.3 CodexGPT-OSS 20B vs Grok 4.1GPT-OSS 20B vs GPT-5.2