GPT OSS 20B
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GPT OSS 20B vs Qwen3 30B A3B
Compare GPT OSS 20B by OpenAI against Qwen3 30B A3B by Qwen, in 140 community votes, gpt oss 20b wins 67% of head-to-head duels, context windows of 131K vs 41K, tested across 54 shared challenges. Updated April 2026.
Which is better, GPT OSS 20B or Qwen3 30B A3B?
GPT OSS 20B is the better choice overall, winning 67% of 140 blind community votes on Rival. GPT OSS 20B costs $0.02/M input tokens vs $0/M for Qwen3 30B A3B. Context windows: 131K vs 41K tokens. Compare their real outputs side by side below.
Key Differences Between GPT OSS 20B and Qwen3 30B A3B
GPT OSS 20B is made by openai while Qwen3 30B A3B is from qwen. GPT OSS 20B has a 131K token context window compared to Qwen3 30B A3B's 41K. On pricing, GPT OSS 20B costs $0.02/M input tokens vs $0/M for Qwen3 30B A3B. In community voting, In 140 community votes, GPT OSS 20B wins 67% of head-to-head duels.
In 140 community votes, GPT OSS 20B wins 67% of head-to-head duels. GPT OSS 20B leads in Web Design, Image Generation, Reasoning, while Qwen3 30B A3B leads in Conversation. Based on blind community voting from the Rival open dataset of 140+ human preference judgments for this pair.
Web Design: GPT OSS 20B wins 80% of votes
Image Generation: GPT OSS 20B wins 58% of votes
Reasoning: GPT OSS 20B wins 71% of votes
Conversation: Qwen3 30B A3B wins 57% of votes
Analysis: GPT OSS 20B wins 60% of votes
Our Verdict
GPT OSS 20BWinner
Qwen3 30B A3BRunner-up
Pick GPT OSS 20B. In 140 blind votes, GPT OSS 20B wins 67% of the time. That's not luck.
Pick GPT OSS 20B for Web Design, Reasoning, Analysis. Pick Qwen3 30B A3B for Conversation.
Clear winner
Writing DNA
Style Comparison
Similarity
90%
GPT OSS 20B uses 75.3x more headings
GPT OSS 20B
Qwen3 30B A3B
54%Vocabulary60%
17wSentence Length11w
0.26Hedging0.24
5.9Bold7.6
3.3Lists4.6
0.10Emoji0.36
0.75Headings0.00
0.32Transitions0.06
Based on 21 + 4 text responses
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279 AI models invented the same fake scientist.
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