OpenAI o3 vs Seed 2.0 Code
Compare OpenAI o3 by OpenAI against Seed 2.0 Code by ByteDance, tested across 53 shared challenges.
Our Verdict
OpenAI o3
Seed 2.0 CodeRunner-up
No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, major provider backing.
Seed 2.0 Code is 13x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
OpenAI o3
Input
$10.00
Output
$40.00
Seed 2.0 Code
Input
$0.50
20× cheaper
Output
$3.00
13× cheaper
Seed 2.0 Code is cheaper on both — 20× input, 13× output
Writing DNA
Style Comparison
Similarity
59%
Seed 2.0 Code uses 4.4x more bold
OpenAI o3
Seed 2.0 Code
68%Vocabulary56%
14wSentence Length33w
0.26Hedging0.24
0.7Bold3.1
3.0Lists3.0
0.00Emoji0.00
0.38Headings1.66
0.12Transitions0.03
Based on 16 + 27 text responses
Research
What we learned reading every model
FAQ
