Claude Haiku 4.5 vs Qwen: Qwen3.5 Plus 2026-02-15
Compare Claude Haiku 4.5 by Anthropic against Qwen: Qwen3.5 Plus 2026-02-15 by Qwen, in 4 community votes, claude haiku 4.5 wins 75% of head-to-head duels, context windows of 200K vs 1.0M, tested across 53 shared challenges.
Conversation: Claude Haiku 4.5 wins 100% of votes
Our Verdict
Claude Haiku 4.5Winner
Qwen: Qwen3.5 Plus 2026-02-15Runner-up
Pick Claude Haiku 4.5. In 4 blind votes, Claude Haiku 4.5 wins 75% of the time. That's not luck.
Claude Haiku 4.5 particularly excels in Conversation.
Clear winner
API pricing
Cost per 1M tokens
Claude Haiku 4.5
Input
$1.00
Output
$5.00
Qwen: Qwen3.5 Plus 2026-02-15
Input
$0.40
2.5× cheaper
Output
$2.40
2.1× cheaper
Qwen: Qwen3.5 Plus 2026-02-15 is cheaper on both — 2.5× input, 2.1× output
Writing DNA
Style Comparison
Similarity
37%
Claude Haiku 4.5 uses 3.3x more headings
Claude Haiku 4.5
Qwen: Qwen3.5 Plus 2026-02-15
61%Vocabulary54%
47wSentence Length18w
0.64Hedging0.51
5.1Bold5.3
6.3Lists2.9
0.20Emoji0.10
2.46Headings0.75
0.17Transitions0.09
Based on 24 + 23 text responses
Research
What we learned reading every model
FAQ
