Claude 3.7 Sonnet vs Claude Haiku 4.5
Compare Claude 3.7 Sonnet and Claude Haiku 4.5, both from Anthropic, in 6 community votes, claude haiku 4.5 wins 75% of head-to-head duels, context windows of 200K vs 200K, tested across 54 shared challenges.
Image Generation: Claude Haiku 4.5 wins 100% of votes
Our Verdict
Claude Haiku 4.5Winner
Claude 3.7 SonnetRunner-up
Pick Claude Haiku 4.5. In 6 blind votes, Claude Haiku 4.5 wins 75% of the time. That's not luck.
Claude Haiku 4.5 particularly excels in Image Generation. Claude Haiku 4.5 is 3.0x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
Claude 3.7 Sonnet
Input
$3.00
Output
$15.00
Claude Haiku 4.5
Input
$1.00
3.0× cheaper
Output
$5.00
3.0× cheaper
Claude Haiku 4.5 is cheaper on both — 3.0× input, 3.0× output
Writing DNA
Style Comparison
Similarity
65%
Claude Haiku 4.5 uses 20.4x more emoji
Claude 3.7 Sonnet
Claude Haiku 4.5
62%Vocabulary61%
35wSentence Length47w
0.99Hedging0.64
1.2Bold5.1
4.3Lists6.3
0.00Emoji0.20
1.78Headings2.46
0.23Transitions0.17
Based on 13 + 24 text responses
Research
What we learned reading every model
FAQ
