GPT-5.2 vs OpenAI o3
Compare GPT-5.2 and OpenAI o3, both from OpenAI, tested across 53 shared challenges.
Our Verdict
GPT-5.2
OpenAI o3
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
GPT-5.2
Input
$1.75
5.7× cheaper
Output
$14.00
2.9× cheaper
OpenAI o3
Input
$10.00
Output
$40.00
GPT-5.2 is cheaper on both — 5.7× input, 2.9× output
Writing DNA
Style Comparison
Similarity
62%
GPT-5.2 uses 5.8x more emoji
GPT-5.2
OpenAI o3
64%Vocabulary68%
16wSentence Length14w
0.34Hedging0.26
9.4Bold0.7
3.9Lists3.0
0.06Emoji0.00
0.89Headings0.38
0.31Transitions0.12
Based on 15 + 16 text responses
Research
What we learned reading every model
FAQ
Common questions
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