Today's price · per 1M tokens
Input
$15.00
per 1M tokens
Output
$60.00
per 1M tokens
Blended
$26.25
blended $/1M — 3:1 weighted input:output
Cached input
$7.50
50% of input — prompt caching
Price receipt
We read OpenAI's own pricing page on Aug 24, 2026 and found o1 listed with a price on the same row — that read is where the number above comes from, recorded as a new model. We keep the page text we read; its content hash is 95a56b3364.
Overview
The first generally available model in OpenAI's o-series, trained with reinforcement learning to produce a long internal chain of thought before answering. 200,000 context window, 100,000 max output tokens, text + image input, text output, October 2023 knowledge cutoff. The default snapshot behind the alias is o1-2024-12-17.
Capabilities
struck through = not supportedSpecifications
- Provider
- OpenAI
- Context window
- 200K tokens
- Modality
- text, image
- Parameters
- Proprietary
- Open source
- No — proprietary
- Released
- Dec 17, 2024
- Status
- Deprecated ends Oct 23, 2026
- Last updated
- Aug 24, 2026
- Tags
Availability verified: Aug 24, 2026 — per OpenAI's own deprecation notice