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Claude Opus 4.5 vs Qwen: Qwen3.6 Plus Preview (free)

Compare Claude Opus 4.5 by Anthropic against Qwen: Qwen3.6 Plus Preview (free) by Qwen, tested across 53 shared challenges. Updated March 2026.

Which is better, Claude Opus 4.5 or Qwen: Qwen3.6 Plus Preview (free)?

Claude Opus 4.5 and Qwen: Qwen3.6 Plus Preview (free) are both competitive models. Compare their real outputs side by side below.

Key Differences Between Claude Opus 4.5 and Qwen: Qwen3.6 Plus Preview (free)

Claude Opus 4.5 is made by anthropic while Qwen: Qwen3.6 Plus Preview (free) is from qwen.

Our Verdict
Claude Opus 4.5
Claude Opus 4.5
Qwen: Qwen3.6 Plus Preview (free)
Qwen: Qwen3.6 Plus Preview (free)Runner-up

No community votes yet. On paper, Claude Opus 4.5 has the edge — bigger model tier, major provider backing.

Too close to call
Writing DNA

Style Comparison

Similarity
92%

Qwen: Qwen3.6 Plus Preview (free) uses 7.8x more emoji

Claude Opus 4.5
Qwen: Qwen3.6 Plus Preview (free)
64%Vocabulary63%
55wSentence Length14w
0.86Hedging0.21
5.8Bold3.7
4.5Lists2.3
0.15Emoji1.18
1.59Headings0.77
0.05Transitions0.05
Based on 24 + 27 text responses
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Claude Opus 4.5Qwen: Qwen3.6 Plus Preview (free)
FAQ
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