GPT OSS 20B vs Qwen3 30B A3B Thinking 2507
Compare GPT OSS 20B by OpenAI against Qwen3 30B A3B Thinking 2507 by Qwen, in 15 community votes, qwen3 30b a3b thinking 2507 wins 67% of head-to-head duels, context windows of 131K vs 262K, tested across 54 shared challenges.
Web Design: Qwen3 30B A3B Thinking 2507 wins 83% of votes
Reasoning: GPT OSS 20B wins 60% of votes
Our Verdict
Qwen3 30B A3B Thinking 2507Winner
GPT OSS 20BRunner-up
Pick Qwen3 30B A3B Thinking 2507. In 15 blind votes, Qwen3 30B A3B Thinking 2507 wins 67% of the time. That's not luck.
Pick GPT OSS 20B for Reasoning. Pick Qwen3 30B A3B Thinking 2507 for Web Design.
Clear winner
API pricing
Cost per 1M tokens
GPT OSS 20B
Input
$0.02
3.5× cheaper
Output
$0.10
2.8× cheaper
Qwen3 30B A3B Thinking 2507
Input
$0.07
Output
$0.28
GPT OSS 20B is cheaper on both — 3.5× input, 2.8× output
Writing DNA
Style Comparison
Similarity
53%
Qwen3 30B A3B Thinking 2507 uses 6.7x more emoji
GPT OSS 20B
Qwen3 30B A3B Thinking 2507
54%Vocabulary54%
17wSentence Length14w
0.26Hedging0.12
5.9Bold7.5
3.3Lists4.2
0.10Emoji0.68
0.75Headings0.93
0.32Transitions0.12
Based on 21 + 16 text responses
Research
What we learned reading every model
FAQ
