o1vsOpenAI o4-mini
OpenAI o4-mini is cheaper than o1 at $1.1/M vs $15/M input tokens.
| Spec | o1 | OpenAI o4-mini |
|---|---|---|
| Input price | $15/M tokens | $1.1/M tokens |
| Output price | $60/M tokens | $4.4/M tokens |
| Context window | 128K tokens | — |
| Released | Dec 2024 | Apr 2025 |
| SWE-bench Verified | 48.9% | 68.1% |
Our Verdict
o1
OpenAI o4-mini
Not enough votes to call it. On the specs, nothing separates them.
OpenAI o4-mini costs 14x less per token.
Too close to call
API pricing
Cost per 1M tokens
o1
Input
$15.00
Output
$60.00
OpenAI o4-mini
Input
$1.10
14× cheaper
Output
$4.40
14× cheaper
OpenAI o4-mini is cheaper on both — 14× input, 14× output
Writing DNA
Style Comparison
Similarity
72%
o1 uses 503.7x more bold
o1
OpenAI o4-mini
64%Vocabulary73%
16wSentence Length15w
0.76Hedging0.18
5.0Bold0.0
2.6Lists2.1
0.00Emoji0.00
0.44Headings0.00
0.40Transitions0.02
Based on 13 + 10 text responses
Research
What we learned reading every model
FAQ
