Claude 3 Haiku vs GPT-4.1 Nano
Compare Claude 3 Haiku by Anthropic against GPT-4.1 Nano by OpenAI, context windows of 200K vs 1.0M, tested across 53 shared challenges.
Our Verdict
Claude 3 Haiku
GPT-4.1 Nano
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
GPT-4.1 Nano is 3.1x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude 3 Haiku
Input
$0.25
Output
$1.25
GPT-4.1 Nano
Input
$0.10
2.5× cheaper
Output
$0.40
3.1× cheaper
GPT-4.1 Nano is cheaper on both — 2.5× input, 3.1× output
Writing DNA
Style Comparison
Similarity
63%
GPT-4.1 Nano uses 71.5x more headings
Claude 3 Haiku
GPT-4.1 Nano
50%Vocabulary57%
22wSentence Length25w
0.71Hedging0.72
0.3Bold5.6
5.9Lists4.9
0.00Emoji0.00
0.00Headings0.71
0.08Transitions0.22
Based on 13 + 24 text responses
Research
What we learned reading every model
FAQ
