GPT-4.1 vs GPT-5 Pro
Compare GPT-4.1 and GPT-5 Pro, both from OpenAI, context windows of 1.0M vs 400K, tested across 42 shared challenges.
Our Verdict
GPT-4.1
GPT-5 Pro
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 is 15x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-4.1
Input
$2.00
7.5× cheaper
Output
$8.00
15× cheaper
GPT-5 Pro
Input
$15.00
Output
$120.00
GPT-4.1 is cheaper on both — 7.5× input, 15× output
Writing DNA
Style Comparison
Similarity
37%
GPT-4.1 uses 902.6x more bold
GPT-4.1
GPT-5 Pro
58%Vocabulary65%
19wSentence Length15w
0.38Hedging0.32
9.0Bold0.0
6.1Lists2.9
0.24Emoji0.00
1.01Headings0.00
0.07Transitions0.01
Based on 25 + 11 text responses
Research
What we learned reading every model
FAQ
Common questions
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