GPT-4.1 vs GPT-4.5
Compare GPT-4.1 and GPT-4.5, both from OpenAI, in 2 community votes, gpt-4.1 wins 100% of head-to-head duels, context windows of 1.0M vs 128K, tested across 25 shared challenges.
Our Verdict
GPT-4.1Winner
GPT-4.5Runner-up
Pick GPT-4.1. In 2 blind votes, GPT-4.1 wins 100% of the time. That's not luck.
GPT-4.1 is 19x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
GPT-4.1
Input
$2.00
38× cheaper
Output
$8.00
19× cheaper
GPT-4.5
Input
$75.00
Output
$150.00
GPT-4.1 is cheaper on both — 38× input, 19× output
Writing DNA
Style Comparison
Similarity
57%
GPT-4.1 uses 23.7x more emoji
GPT-4.1
GPT-4.5
58%Vocabulary63%
19wSentence Length16w
0.38Hedging0.57
9.0Bold4.7
6.1Lists6.4
0.24Emoji0.00
1.01Headings1.30
0.07Transitions0.54
Based on 25 + 11 text responses
Research
What we learned reading every model
FAQ
Common questions
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