All models

o1

OpenAI model, released 17 Dec 2024.

$15.00
per 1M input tokens
$60.00
per 1M output tokens
$7.50
per 1M cached-read tokens
Calculate what your real prompts cost on o1

Price history

Price stable since we started tracking (7 Jul 2026). History will chart here as soon as it moves.

Specifications

Lab
OpenAI
Released
17 Dec 2024
Context window
200k tokens
Max output
100k tokens
Input modalities
text, image, file
Output modalities
text
Knowledge cutoff
2023-10-31
Open source
No

Frequently asked questions

How much does o1 cost?

o1 costs $15.00 per 1M input tokens and $60.00 per 1M output tokens (list price, updated every 6 hours).

What is o1's context window?

o1 supports a 200k-token context window with up to 100k output tokens.

Related models

o1 — API Pricing, Context Window, Specs (2026) | AIToolScout | AIToolScout