Claude Opus 5 vs Qwen: Qwen3 Max Thinking
Compare Claude Opus 5 by Anthropic against Qwen: Qwen3 Max Thinking by Qwen, context windows of 1.0M vs 262K, tested across 54 shared challenges.
Our Verdict
Claude Opus 5
Qwen: Qwen3 Max ThinkingRunner-up
No community votes yet. On paper, Claude Opus 5 has the edge — newer, bigger context window, major provider backing.
Qwen: Qwen3 Max Thinking is 4.2x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 5
Input
$5.00
Output
$25.00
Qwen: Qwen3 Max Thinking
Input
$1.20
4.2× cheaper
Output
$6.00
4.2× cheaper
Qwen: Qwen3 Max Thinking is cheaper on both — 4.2× input, 4.2× output
Writing DNA
Style Comparison
Similarity
48%
Qwen: Qwen3 Max Thinking uses 80.2x more emoji
Claude Opus 5
Qwen: Qwen3 Max Thinking
54%Vocabulary61%
21wSentence Length15w
0.40Hedging0.23
3.9Bold5.2
1.9Lists3.9
0.02Emoji1.37
0.71Headings1.22
0.05Transitions0.04
Based on 27 + 13 text responses
Research
What we learned reading every model
FAQ
