Claude Sonnet 4 vs Nova Premier 1.0
Compare Claude Sonnet 4 by Anthropic against Nova Premier 1.0 by Amazon, context windows of 200K vs 1.0M, tested across 51 shared challenges.
Our Verdict
Claude Sonnet 4
Nova Premier 1.0
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 4
Input
$3.00
Output
$15.00
Nova Premier 1.0
Input
$2.50
1.2× cheaper
Output
$12.50
1.2× cheaper
Nova Premier 1.0 is cheaper on both — 1.2× input, 1.2× output
Writing DNA
Style Comparison
Similarity
66%
Claude Sonnet 4 uses 87.9x more emoji
Claude Sonnet 4
Nova Premier 1.0
62%Vocabulary56%
111wSentence Length39w
0.40Hedging0.90
5.0Bold4.3
9.3Lists5.9
0.88Emoji0.00
2.16Headings0.54
0.33Transitions0.21
Based on 17 + 23 text responses
Research
What we learned reading every model
FAQ
