Claude 3 Haiku
Nothing here. The model returned empty. We stared at it for a while.
Claude 3 Haiku vs Claude 3.7 Sonnet
Compare Claude 3 Haiku and Claude 3.7 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 Sonnet?
Claude 3 Haiku and Claude 3.7 Sonnet are both competitive models. Claude 3 Haiku costs $0.25/M input tokens vs $3/M for Claude 3.7 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 Sonnet
Claude 3 Haiku is made by anthropic while Claude 3.7 Sonnet is from anthropic. Claude 3 Haiku has a 200K token context window compared to Claude 3.7 Sonnet's 200K. On pricing, Claude 3 Haiku costs $0.25/M input tokens vs $3/M for Claude 3.7 Sonnet.
Our Verdict
Claude 3.7 Sonnet
Claude 3 HaikuRunner-up
No community votes yet. On paper, Claude 3.7 Sonnet has the edge — bigger model tier, newer.
Claude 3 Haiku is 12x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
99%
Claude 3.7 Sonnet uses 177.5x more headings
Claude 3 Haiku
Claude 3.7 Sonnet
50%Vocabulary62%
22wSentence Length35w
0.71Hedging0.99
0.3Bold1.2
5.9Lists4.3
0.00Emoji0.00
0.00Headings1.78
0.08Transitions0.23
Based on 13 + 13 text responses
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
Free preview13 of 58 slides
FAQ