Claude Opus 4.1 vs Qwen3 Coder Flash
Compare Claude Opus 4.1 by Anthropic against Qwen3 Coder Flash by Qwen, context windows of 200K vs 128K, tested across 53 shared challenges.
Our Verdict
Claude Opus 4.1
Qwen3 Coder FlashRunner-up
No community votes yet. On paper, Claude Opus 4.1 has the edge — bigger model tier, bigger context window, major provider backing.
Qwen3 Coder Flash is 50x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.1
Input
$15.00
Output
$75.00
Qwen3 Coder Flash
Input
$0.30
50× cheaper
Output
$1.50
50× cheaper
Qwen3 Coder Flash is cheaper on both — 50× input, 50× output
Writing DNA
Style Comparison
Similarity
88%
Claude Opus 4.1 uses 38.4x more emoji
Claude Opus 4.1
Qwen3 Coder Flash
61%Vocabulary60%
87wSentence Length92w
0.54Hedging0.60
5.1Bold6.1
6.7Lists6.2
0.38Emoji0.00
1.68Headings1.64
0.13Transitions0.18
Based on 17 + 22 text responses
Research
What we learned reading every model
FAQ
