Claude Sonnet 5 vs Qwen Plus 0728 (thinking)
Compare Claude Sonnet 5 by Anthropic against Qwen Plus 0728 (thinking) by Qwen, context windows of 1.0M vs 1.0M, tested across 37 shared challenges.
Our Verdict
Claude Sonnet 5
Qwen Plus 0728 (thinking)Runner-up
No community votes yet. On paper, Claude Sonnet 5 has the edge — newer, major provider backing.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 5
Input
$2.00
Output
$10.00
Qwen Plus 0728 (thinking)
Input
$0.40
5.0× cheaper
Output
$4.00
2.5× cheaper
Qwen Plus 0728 (thinking) is cheaper on both — 5.0× input, 2.5× output
Writing DNA
Style Comparison
Similarity
48%
Claude Sonnet 5 uses 2.4x more sentence length
Claude Sonnet 5
Qwen Plus 0728 (thinking)
59%Vocabulary54%
35wSentence Length15w
0.53Hedging0.36
3.5Bold7.0
3.5Lists4.6
0.79Emoji0.34
1.25Headings0.94
0.06Transitions0.09
Based on 27 + 18 text responses
Research
What we learned reading every model
FAQ
