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Claude Opus 4.6 vs Qwen: Qwen3.5 Plus 2026-02-15

Compare Claude Opus 4.6 by Anthropic against Qwen: Qwen3.5 Plus 2026-02-15 by Qwen, in 7 community votes, qwen: qwen3.5 plus 2026-02-15 wins 67% of head-to-head duels, context windows of 1.0M vs 1.0M, tested across 53 shared challenges. Updated April 2026.

Which is better, Claude Opus 4.6 or Qwen: Qwen3.5 Plus 2026-02-15?

Qwen: Qwen3.5 Plus 2026-02-15 is the better choice overall, winning 67% of 7 blind community votes on Rival. Claude Opus 4.6 costs $5/M input tokens vs $0.4/M for Qwen: Qwen3.5 Plus 2026-02-15. Context windows: 1000K vs 1000K tokens. Compare their real outputs side by side below.

Key Differences Between Claude Opus 4.6 and Qwen: Qwen3.5 Plus 2026-02-15

Claude Opus 4.6 is made by anthropic while Qwen: Qwen3.5 Plus 2026-02-15 is from qwen. Claude Opus 4.6 has a 1000K token context window compared to Qwen: Qwen3.5 Plus 2026-02-15's 1000K. On pricing, Claude Opus 4.6 costs $5/M input tokens vs $0.4/M for Qwen: Qwen3.5 Plus 2026-02-15. In community voting, In 7 community votes, Qwen: Qwen3.5 Plus 2026-02-15 wins 67% of head-to-head duels.

In 7 community votes, Qwen: Qwen3.5 Plus 2026-02-15 wins 67% of head-to-head duels. Based on blind community voting from the Rival open dataset of 7+ human preference judgments for this pair.

Our Verdict
Qwen: Qwen3.5 Plus 2026-02-15
Qwen: Qwen3.5 Plus 2026-02-15Winner
Claude Opus 4.6
Claude Opus 4.6Runner-up

Pick Qwen: Qwen3.5 Plus 2026-02-15. In 7 blind votes, Qwen: Qwen3.5 Plus 2026-02-15 wins 67% of the time. That's not luck.

Qwen: Qwen3.5 Plus 2026-02-15 is 10x cheaper per token — worth considering if cost matters.

Clear winner
Writing DNA

Style Comparison

Similarity
97%

Qwen: Qwen3.5 Plus 2026-02-15 uses 3.4x more transitions

Claude Opus 4.6
Qwen: Qwen3.5 Plus 2026-02-15
53%Vocabulary54%
35wSentence Length18w
0.68Hedging0.51
5.2Bold5.3
2.9Lists2.9
0.21Emoji0.10
1.34Headings0.75
0.03Transitions0.09
Based on 23 + 23 text responses
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Claude Opus 4.6Qwen: Qwen3.5 Plus 2026-02-15

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