Claude Haiku 4.5 vs Qwen: Qwen3.5 Plus 2026-04-20
Compare Claude Haiku 4.5 by Anthropic against Qwen: Qwen3.5 Plus 2026-04-20 by Qwen, context windows of 200K vs 1.0M, tested across 51 shared challenges.
Our Verdict
Qwen: Qwen3.5 Plus 2026-04-20
Claude Haiku 4.5Runner-up
No community votes yet. On paper, Qwen: Qwen3.5 Plus 2026-04-20 has the edge — bigger model tier, newer, bigger context window.
Too close to call
API pricing
Cost per 1M tokens
Claude Haiku 4.5
Input
$1.00
Output
$5.00
Qwen: Qwen3.5 Plus 2026-04-20
Input
$0.40
2.5× cheaper
Output
$2.40
2.1× cheaper
Qwen: Qwen3.5 Plus 2026-04-20 is cheaper on both — 2.5× input, 2.1× output
Writing DNA
Style Comparison
Similarity
46%
Qwen: Qwen3.5 Plus 2026-04-20 uses 7.5x more emoji
Claude Haiku 4.5
Qwen: Qwen3.5 Plus 2026-04-20
61%Vocabulary59%
47wSentence Length15w
0.64Hedging0.28
5.1Bold4.4
6.3Lists2.5
0.20Emoji1.53
2.46Headings0.76
0.17Transitions0.04
Based on 24 + 27 text responses
Research
What we learned reading every model
FAQ
