Claude Opus 5 vs Qwen Plus 0728 (thinking)
Compare Claude Opus 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 Opus 5
Qwen Plus 0728 (thinking)Runner-up
No community votes yet. On paper, Claude Opus 5 has the edge — bigger model tier, newer, major provider backing.
Qwen Plus 0728 (thinking) is 6.3x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Claude Opus 5
Input
$5.00
Output
$25.00
Qwen Plus 0728 (thinking)
Input
$0.40
13× cheaper
Output
$4.00
6.3× cheaper
Qwen Plus 0728 (thinking) is cheaper on both — 13× input, 6.3× output
Writing DNA
Style Comparison
Similarity
37%
Qwen Plus 0728 (thinking) uses 19.9x more emoji
Claude Opus 5
Qwen Plus 0728 (thinking)
54%Vocabulary54%
21wSentence Length15w
0.40Hedging0.36
3.9Bold7.0
1.9Lists4.6
0.02Emoji0.34
0.71Headings0.94
0.05Transitions0.09
Based on 27 + 18 text responses
Research
What we learned reading every model
FAQ
