Claude Sonnet 4.5 vs Qwen: Qwen3.6 Flash
Compare Claude Sonnet 4.5 by Anthropic against Qwen: Qwen3.6 Flash by Qwen, context windows of 200K vs 1.0M, tested across 42 shared challenges.
Our Verdict
Claude Sonnet 4.5
Qwen: Qwen3.6 Flash
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Qwen: Qwen3.6 Flash is 10x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 4.5
Input
$3.00
Output
$15.00
Qwen: Qwen3.6 Flash
Input
$0.25
12× cheaper
Output
$1.50
10× cheaper
Qwen: Qwen3.6 Flash is cheaper on both — 12× input, 10× output
Writing DNA
Style Comparison
Similarity
54%
Claude Sonnet 4.5 uses 4.0x more sentence length
Claude Sonnet 4.5
Qwen: Qwen3.6 Flash
64%Vocabulary57%
94wSentence Length23w
0.48Hedging0.31
4.9Bold4.6
8.0Lists2.9
0.45Emoji1.37
1.91Headings0.68
0.07Transitions0.04
Based on 20 + 27 text responses
Research
What we learned reading every model
FAQ
