Claude Opus 4.6 vs Qwen: Qwen3.5 Plus 2026-02-15
Compare Claude Opus 4.6 by Anthropic against Qwen: Qwen3.5 Plus 2026-02-15 by Qwen, in 7 community votes, qwen: qwen3.5 plus 2026-02-15 wins 67% of head-to-head duels, context windows of 1.0M vs 1.0M, tested across 53 shared challenges.
Our Verdict
Qwen: Qwen3.5 Plus 2026-02-15Winner
Claude Opus 4.6Runner-up
Pick Qwen: Qwen3.5 Plus 2026-02-15. In 7 blind votes, Qwen: Qwen3.5 Plus 2026-02-15 wins 67% of the time. That's not luck.
Qwen: Qwen3.5 Plus 2026-02-15 is 10x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
Claude Opus 4.6
Input
$5.00
Output
$25.00
Qwen: Qwen3.5 Plus 2026-02-15
Input
$0.40
13× cheaper
Output
$2.40
10× cheaper
Qwen: Qwen3.5 Plus 2026-02-15 is cheaper on both — 13× input, 10× output
Writing DNA
Style Comparison
Similarity
56%
Qwen: Qwen3.5 Plus 2026-02-15 uses 3.4x more transitions
Claude Opus 4.6
Qwen: Qwen3.5 Plus 2026-02-15
53%Vocabulary54%
35wSentence Length18w
0.68Hedging0.51
5.2Bold5.3
2.9Lists2.9
0.21Emoji0.10
1.34Headings0.75
0.03Transitions0.09
Based on 23 + 23 text responses
Research
What we learned reading every model
FAQ
