Claude Haiku 4.5 vs Nova Premier 1.0
Compare Claude Haiku 4.5 by Anthropic against Nova Premier 1.0 by Amazon, in 4 community votes, claude haiku 4.5 wins 75% of head-to-head duels, context windows of 200K vs 1.0M, tested across 51 shared challenges.
Web Design: Claude Haiku 4.5 and Nova Premier 1.0 are tied
Our Verdict
Claude Haiku 4.5Winner
Nova Premier 1.0Runner-up
Pick Claude Haiku 4.5. In 4 blind votes, Claude Haiku 4.5 wins 75% of the time. That's not luck.
Clear winner
API pricing
Cost per 1M tokens
Claude Haiku 4.5
Input
$1.00
2.5× cheaper
Output
$5.00
2.5× cheaper
Nova Premier 1.0
Input
$2.50
Output
$12.50
Claude Haiku 4.5 is cheaper on both — 2.5× input, 2.5× output
Writing DNA
Style Comparison
Similarity
57%
Claude Haiku 4.5 uses 20.4x more emoji
Claude Haiku 4.5
Nova Premier 1.0
61%Vocabulary56%
47wSentence Length39w
0.64Hedging0.90
5.1Bold4.3
6.3Lists5.9
0.20Emoji0.00
2.46Headings0.54
0.17Transitions0.21
Based on 24 + 23 text responses
Research
What we learned reading every model
FAQ
