OpenAI o3 vs Sonar Pro Search
Compare OpenAI o3 by OpenAI against Sonar Pro Search by Perplexity, tested across 53 shared challenges.
Our Verdict
OpenAI o3
Sonar Pro SearchRunner-up
No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, major provider backing.
Too close to call
API pricing
Cost per 1M tokens
OpenAI o3
Input
$10.00
Output
$40.00
Sonar Pro Search
Input
$3.00
3.3× cheaper
Output
$15.00
2.7× cheaper
Sonar Pro Search is cheaper on both — 3.3× input, 2.7× output
Writing DNA
Style Comparison
Similarity
80%
Sonar Pro Search uses 5.5x more headings
OpenAI o3
Sonar Pro Search
68%Vocabulary60%
14wSentence Length22w
0.26Hedging0.30
0.7Bold2.7
3.0Lists2.6
0.00Emoji0.00
0.38Headings2.08
0.12Transitions0.07
Based on 16 + 25 text responses
Research
What we learned reading every model
FAQ
