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Qwen3 30B A3B vs GPT OSS 120B

Compare Qwen3 30B A3B by Qwen against GPT OSS 120B by OpenAI, in 38 community votes, gpt oss 120b wins 93% of head-to-head duels, context windows of 41K vs 131K, tested across 49 shared challenges. Updated April 2026.

Which is better, Qwen3 30B A3B or GPT OSS 120B?

GPT OSS 120B is the better choice overall, winning 93% of 38 blind community votes on Rival. Qwen3 30B A3B costs $0/M input tokens vs $0.18/M for GPT OSS 120B. Context windows: 41K vs 131K tokens. Compare their real outputs side by side below.

Key Differences Between Qwen3 30B A3B and GPT OSS 120B

Qwen3 30B A3B is made by qwen while GPT OSS 120B is from openai. Qwen3 30B A3B has a 41K token context window compared to GPT OSS 120B's 131K. On pricing, Qwen3 30B A3B costs $0/M input tokens vs $0.18/M for GPT OSS 120B. In community voting, In 38 community votes, GPT OSS 120B wins 93% of head-to-head duels.

In 38 community votes, GPT OSS 120B wins 93% of head-to-head duels. GPT OSS 120B leads in Image Generation, Web Design, Reasoning. Based on blind community voting from the Rival open dataset of 38+ human preference judgments for this pair.

Image Generation: GPT OSS 120B wins 85% of votes
Web Design: GPT OSS 120B wins 100% of votes
Reasoning: GPT OSS 120B wins 100% of votes
Conversation: GPT OSS 120B wins 100% of votes
Our Verdict
GPT OSS 120B
GPT OSS 120BWinner
Qwen3 30B A3B
Qwen3 30B A3BRunner-up

Pick GPT OSS 120B. In 38 blind votes, GPT OSS 120B wins 93% of the time. That's not luck.

GPT OSS 120B particularly excels in Web Design, Reasoning, Conversation.

Clear winner
Writing DNA

Style Comparison

Similarity
96%

GPT OSS 120B uses 73.3x more headings

Qwen3 30B A3B
GPT OSS 120B
60%Vocabulary52%
11wSentence Length19w
0.24Hedging0.28
7.6Bold7.4
4.6Lists1.8
0.36Emoji0.15
0.00Headings0.73
0.06Transitions0.17
Based on 4 + 21 text responses
vs

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Qwen3 30B A3BGPT OSS 120B

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
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