Claude Sonnet 4.5 vs Qwen Plus 0728
Compare Claude Sonnet 4.5 by Anthropic against Qwen Plus 0728 by Qwen, context windows of 200K vs 1.0M, tested across 43 shared challenges.
Our Verdict
Claude Sonnet 4.5
Qwen Plus 0728
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Qwen Plus 0728 is 13x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 4.5
Input
$3.00
Output
$15.00
Qwen Plus 0728
Input
$0.40
7.5× cheaper
Output
$1.20
13× cheaper
Qwen Plus 0728 is cheaper on both — 7.5× input, 13× output
Writing DNA
Style Comparison
Similarity
44%
Claude Sonnet 4.5 uses 4.6x more sentence length
Claude Sonnet 4.5
Qwen Plus 0728
64%Vocabulary55%
94wSentence Length20w
0.48Hedging0.43
4.9Bold5.9
8.0Lists4.1
0.45Emoji0.68
1.91Headings0.84
0.07Transitions0.16
Based on 20 + 22 text responses
Research
What we learned reading every model
FAQ
