OpenAIo1Tool use

O1 Preview pricing

Compare O1 Preview API pricing across 1 listed source. The best input rate we show is $15.00 per million tokens from Azure. The best output rate is $60.00 per million tokens from Azure.

128K context·1 provider·verified Apr 7, 2026
Best input$15.00per 1M tokens · Azure
Best output$60.00per 1M tokens · Azure

Pricing across providers

Every row is a seller of O1 Preview with token pricing we track. The cheapest input in this snapshot is from Azure. The bar chart shows the same input and output dollars per million for a quick scan.

A
Azure
Input / 1M
$15.00
Output / 1M
$60.00
Cached in: $7.50

Input vs output · 1M tokens

Cost calculator

Pick any provider row and type how many tokens you expect per day, week, or year. We turn that into rough dollar totals for O1 Preview.

In: $15.00/M·Out: $60.00/M·Cache: $7.50/M

1.500000¢ / req

3.000000¢ / req

Daily
$450
Monthly
$13.5K
Annual
$164.3K

Model specifications

Context length, caps, and capability flags for O1 Preview. Family: o1. Values follow the main provider (OpenAI) record in our index.

Context window
128,000 tokens
Max output
32,768 tokens
Vision (images)
No
Tool / function calling
Yes
Streaming
No
Released
N/A
Primary provider
OpenAI
Model family
o1

Compare O1 Preview

These links open full side by side pages for O1 Preview. We picked pairs that people often shop together. 6 ready to open.

Frequently asked questions

Answers pull from the same numbers you see on this page.

Yes. O1 Preview is available on Azure.

Also from OpenAI

Other models by OpenAI with live pricing in our catalog.