Claude Haiku 4.5 vs Qwen Plus 0728 (thinking)
Compare Claude Haiku 4.5 by Anthropic against Qwen Plus 0728 (thinking) by Qwen, context windows of 200K vs 1.0M, tested across 37 shared challenges.
Our Verdict
Claude Haiku 4.5
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.
Too close to call
API pricing
Cost per 1M tokens
Claude Haiku 4.5
Input
$1.00
Output
$5.00
Qwen Plus 0728 (thinking)
Input
$0.40
2.5× cheaper
Output
$4.00
1.3× cheaper
Qwen Plus 0728 (thinking) is cheaper on both — 2.5× input, 1.3× output
Writing DNA
Style Comparison
Similarity
53%
Claude Haiku 4.5 uses 3.2x more sentence length
Claude Haiku 4.5
Qwen Plus 0728 (thinking)
61%Vocabulary54%
47wSentence Length15w
0.64Hedging0.36
5.1Bold7.0
6.3Lists4.6
0.20Emoji0.34
2.46Headings0.94
0.17Transitions0.09
Based on 24 + 18 text responses
Research
What we learned reading every model
FAQ
