Claude 3 Haiku
Nothing here. The model returned empty. We stared at it for a while.
Claude 3 Haiku vs Claude 3.7 Thinking Sonnet
Compare Claude 3 Haiku and Claude 3.7 Thinking Sonnet, both from Anthropic, context windows of 200K vs 200K, tested across 53 shared challenges. Updated April 2026.
Which is better, Claude 3 Haiku or Claude 3.7 Thinking Sonnet?
Claude 3 Haiku and Claude 3.7 Thinking Sonnet are both competitive models. Claude 3 Haiku costs $0.25/M input tokens vs $6/M for Claude 3.7 Thinking Sonnet. Context windows: 200K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3 Haiku and Claude 3.7 Thinking Sonnet
Claude 3 Haiku is made by anthropic while Claude 3.7 Thinking Sonnet is from anthropic. Claude 3 Haiku has a 200K token context window compared to Claude 3.7 Thinking Sonnet's 200K. On pricing, Claude 3 Haiku costs $0.25/M input tokens vs $6/M for Claude 3.7 Thinking Sonnet.
Our Verdict
Claude 3.7 Thinking Sonnet
Claude 3 HaikuRunner-up
No community votes yet. On paper, Claude 3.7 Thinking Sonnet has the edge — bigger model tier, newer.
Claude 3 Haiku is 24x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
99%
Claude 3.7 Thinking Sonnet uses 180.6x more headings
Claude 3 Haiku
Claude 3.7 Thinking Sonnet
50%Vocabulary61%
22wSentence Length49w
0.71Hedging0.64
0.3Bold2.2
5.9Lists4.5
0.00Emoji0.00
0.00Headings1.81
0.08Transitions0.21
Based on 13 + 21 text responses
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279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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