Claude Opus 4.5 vs Qwen: Qwen3.5 Plus 2026-02-15
Compare Claude Opus 4.5 by Anthropic against Qwen: Qwen3.5 Plus 2026-02-15 by Qwen, tested across 53 shared challenges.
Our Verdict
Claude Opus 4.5
Qwen: Qwen3.5 Plus 2026-02-15
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.5
Input
—
Output
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Qwen: Qwen3.5 Plus 2026-02-15
Input
$0.40
Output
$2.40
Writing DNA
Style Comparison
Similarity
32%
Claude Opus 4.5 uses 3.1x more sentence length
Claude Opus 4.5
Qwen: Qwen3.5 Plus 2026-02-15
64%Vocabulary54%
55wSentence Length18w
0.86Hedging0.51
5.8Bold5.3
4.5Lists2.9
0.15Emoji0.10
1.59Headings0.75
0.05Transitions0.09
Based on 24 + 23 text responses
Research
What we learned reading every model
FAQ
