Claude Sonnet 4 vs Qwen Plus 0728 (thinking)
Compare Claude Sonnet 4 by Anthropic against Qwen Plus 0728 (thinking) by Qwen, context windows of 200K vs 1.0M, tested across 37 shared challenges.
Our Verdict
Claude Sonnet 4
Qwen Plus 0728 (thinking)
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 (thinking) is 3.8x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 4
Input
$3.00
Output
$15.00
Qwen Plus 0728 (thinking)
Input
$0.40
7.5× cheaper
Output
$4.00
3.8× cheaper
Qwen Plus 0728 (thinking) is cheaper on both — 7.5× input, 3.8× output
Writing DNA
Style Comparison
Similarity
49%
Claude Sonnet 4 uses 7.5x more sentence length
Claude Sonnet 4
Qwen Plus 0728 (thinking)
62%Vocabulary54%
111wSentence Length15w
0.40Hedging0.36
5.0Bold7.0
9.3Lists4.6
0.88Emoji0.34
2.16Headings0.94
0.33Transitions0.09
Based on 17 + 18 text responses
Research
What we learned reading every model
FAQ
