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Claude Opus 4.1 vs Qwen3 Coder Plus

Compare Claude Opus 4.1 by Anthropic against Qwen3 Coder Plus by Qwen, in 5 community votes, qwen3 coder plus wins 67% of head-to-head duels, context windows of 200K vs 128K, tested across 27 shared challenges. Updated April 2026.

Which is better, Claude Opus 4.1 or Qwen3 Coder Plus?

Qwen3 Coder Plus is the better choice overall, winning 67% of 5 blind community votes on Rival. Claude Opus 4.1 costs $15/M input tokens vs $1/M for Qwen3 Coder Plus. Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between Claude Opus 4.1 and Qwen3 Coder Plus

Claude Opus 4.1 is made by anthropic while Qwen3 Coder Plus is from qwen. Claude Opus 4.1 has a 200K token context window compared to Qwen3 Coder Plus's 128K. On pricing, Claude Opus 4.1 costs $15/M input tokens vs $1/M for Qwen3 Coder Plus. In community voting, In 5 community votes, Qwen3 Coder Plus wins 67% of head-to-head duels.

In 5 community votes, Qwen3 Coder Plus wins 67% of head-to-head duels. Qwen3 Coder Plus has the edge overall, but performance varies by task type. Based on blind community voting from the Rival open dataset of 5+ human preference judgments for this pair.

Web Design: Claude Opus 4.1 and Qwen3 Coder Plus are tied
Our Verdict
Qwen3 Coder Plus
Qwen3 Coder PlusWinner
Claude Opus 4.1
Claude Opus 4.1Runner-up

Pick Qwen3 Coder Plus. In 5 blind votes, Qwen3 Coder Plus wins 67% of the time. That's not luck.

Qwen3 Coder Plus is 15x cheaper per token — worth considering if cost matters.

Clear winner
Writing DNA

Style Comparison

Similarity
100%

Claude Opus 4.1 uses 2.6x more emoji

Claude Opus 4.1
Qwen3 Coder Plus
61%Vocabulary65%
87wSentence Length54w
0.54Hedging0.74
5.1Bold3.6
6.7Lists6.0
0.38Emoji0.15
1.68Headings1.72
0.13Transitions0.16
Based on 17 + 22 text responses
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Claude Opus 4.1Qwen3 Coder Plus

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