GPT-5 vs Qwen3 Coder Plus

Compare GPT-5 by OpenAI against Qwen3 Coder Plus by Qwen, in 6 community votes, gpt-5 wins 75% of head-to-head duels, context windows of 400K vs 128K, tested across 47 shared challenges. Updated April 2026.

Which is better, GPT-5 or Qwen3 Coder Plus?

GPT-5 is the better choice overall, winning 75% of 6 blind community votes on Rival. GPT-5 costs $1.25/M input tokens vs $1/M for Qwen3 Coder Plus. Context windows: 400K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-5 and Qwen3 Coder Plus

GPT-5 is made by openai while Qwen3 Coder Plus is from qwen. GPT-5 has a 400K token context window compared to Qwen3 Coder Plus's 128K. On pricing, GPT-5 costs $1.25/M input tokens vs $1/M for Qwen3 Coder Plus. In community voting, In 6 community votes, GPT-5 wins 75% of head-to-head duels.

In 6 community votes, GPT-5 wins 75% of head-to-head duels. GPT-5 leads in Reasoning. Based on blind community voting from the Rival open dataset of 6+ human preference judgments for this pair.

Reasoning: GPT-5 wins 100% of votes
Our Verdict
GPT-5
GPT-5Winner
Qwen3 Coder Plus
Qwen3 Coder PlusRunner-up

Pick GPT-5. In 6 blind votes, GPT-5 wins 75% of the time. That's not luck.

GPT-5 particularly excels in Reasoning.

Clear winner
Writing DNA

Style Comparison

Similarity
91%

Qwen3 Coder Plus uses 14.8x more emoji

GPT-5
Qwen3 Coder Plus
65%Vocabulary65%
13wSentence Length54w
0.20Hedging0.74
0.2Bold3.6
4.6Lists6.0
0.00Emoji0.15
0.16Headings1.72
0.03Transitions0.16
Based on 16 + 22 text responses
vs

Ask them anything yourself

GPT-5Qwen3 Coder Plus

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
Free preview13 of 58 slides
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