GPT-4o mini vs GPT-5 Pro
Compare GPT-4o mini and GPT-5 Pro, both from OpenAI, context windows of 128K vs 400K, tested across 42 shared challenges.
Our Verdict
GPT-5 Pro
GPT-4o miniRunner-up
No community votes yet. On paper, GPT-5 Pro has the edge — bigger model tier, newer, bigger context window.
GPT-4o mini is 200x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
GPT-4o mini
Input
$0.15
100× cheaper
Output
$0.60
200× cheaper
GPT-5 Pro
Input
$15.00
Output
$120.00
GPT-4o mini is cheaper on both — 100× input, 200× output
Writing DNA
Style Comparison
Similarity
47%
GPT-4o mini uses 384.3x more bold
GPT-4o mini
GPT-5 Pro
54%Vocabulary65%
18wSentence Length15w
0.84Hedging0.32
3.8Bold0.0
3.3Lists2.9
0.00Emoji0.00
1.03Headings0.00
0.23Transitions0.01
Based on 22 + 11 text responses
Research
What we learned reading every model
FAQ
Common questions
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