Claude 3.7 Sonnet vs Horizon Alpha
Compare Claude 3.7 Sonnet by Anthropic against Horizon Alpha by OpenRouter, in 7 community votes, horizon alpha wins 67% of head-to-head duels, context windows of 200K vs 256K, tested across 34 shared challenges.
Web Design: Horizon Alpha wins 75% of votes
Image Generation: Claude 3.7 Sonnet and Horizon Alpha are tied
Our Verdict
Horizon AlphaWinner
Claude 3.7 SonnetRunner-up
Pick Horizon Alpha. In 7 blind votes, Horizon Alpha wins 67% of the time. That's not luck.
Horizon Alpha particularly excels in Web Design.
Clear winner
API pricing
Cost per 1M tokens
Claude 3.7 Sonnet
Input
$3.00
Output
$15.00
Horizon Alpha
Input
$0.000
Output
$0.000
Writing DNA
Style Comparison
Similarity
51%
Claude 3.7 Sonnet uses 121.0x more bold
Claude 3.7 Sonnet
Horizon Alpha
62%Vocabulary65%
35wSentence Length14w
0.99Hedging0.22
1.2Bold0.0
4.3Lists3.5
0.00Emoji0.00
1.78Headings0.00
0.23Transitions0.12
Based on 13 + 14 text responses
Research
What we learned reading every model
FAQ
