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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. Updated April 2026.

Which is better, Claude Haiku 4.5 or Qwen: Qwen3.5 Plus 2026-02-15?

Claude Haiku 4.5 is the better choice overall, winning 75% of 4 blind community votes on Rival. Claude Haiku 4.5 costs $1/M input tokens vs $0.4/M for Qwen: Qwen3.5 Plus 2026-02-15. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.

Key Differences Between Claude Haiku 4.5 and Qwen: Qwen3.5 Plus 2026-02-15

Claude Haiku 4.5 is made by anthropic while Qwen: Qwen3.5 Plus 2026-02-15 is from qwen. Claude Haiku 4.5 has a 200K token context window compared to Qwen: Qwen3.5 Plus 2026-02-15's 1000K. On pricing, Claude Haiku 4.5 costs $1/M input tokens vs $0.4/M for Qwen: Qwen3.5 Plus 2026-02-15. In community voting, In 4 community votes, Claude Haiku 4.5 wins 75% of head-to-head duels.

In 4 community votes, Claude Haiku 4.5 wins 75% of head-to-head duels. Claude Haiku 4.5 leads in Conversation. Based on blind community voting from the Rival open dataset of 4+ human preference judgments for this pair.

Conversation: Claude Haiku 4.5 wins 100% of votes
Our Verdict
Claude Haiku 4.5
Claude Haiku 4.5Winner
Qwen: Qwen3.5 Plus 2026-02-15
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
Writing DNA

Style Comparison

Similarity
97%

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
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Claude Haiku 4.5Qwen: Qwen3.5 Plus 2026-02-15

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