OpenAIo1VisionTool use

o1 pricing

The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learning to reason using chain of thought. The o1 models are optimized for math, science, programming, and other STEM-related tasks. They consistently exhibit PhD-level accuracy on benchmarks in physics, chemistry, and biology. Learn more in the [launch announcement](https://openai.com/o1). This page tracks 5 listings in total. Highlighted lows are $15.00 per million input and $60.00 per million output (see table for which seller matches each).

200K context·5 providers·verified May 2, 2026
Best input$15.00per 1M tokens · Openrouter
Best output$60.00per 1M tokens · Openrouter

Pricing across providers

Use this table to read o1 list prices. We show 5 sources right now. Lowest input in the grid: Openrouter. The chart below the table helps when output prices are much higher than input prices.

O
Openrouter
Input / 1M
$15.00
Output / 1M
$60.00
Cached in: $7.50
A
Azure
Input / 1M
$15.00
Output / 1M
$60.00
Cached in: $7.50
VA
Vercel Ai Gateway
Input / 1M
$15.00
Output / 1M
$60.00
Cached in: $7.50
R
Replicate
Input / 1M
$15.00
Output / 1M
$60.00
O
OpenAInative
Input / 1M
$15.00
Output / 1M
$60.00
Cached in: $7.50

Input vs output · per provider

Cost calculator

Pick any of the providers above and type how many tokens you expect per day, week, or year. We turn that into rough dollar totals for o1.

Provider

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. Family: o1. Values follow the main provider (OpenAI) record in our index.

Context window
200,000 tokens
Max output
100,000 tokens
Vision (images)
Yes
Tool / function calling
Yes
Streaming
No
Released
Dec 2024
Primary provider
OpenAI
Model family
o1

Compare o1

These links open full side by side pages for o1. We picked pairs that people often shop together. 6 ready to open.

Frequently asked questions

Quick frequently asked items for o1 pricing and limits. The short model note from our index: The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learning to reason using chain of thought. ...

o1 costs $15.00 per million input tokens and $60.00 per million output tokens via the native API. Prompt caching reduces input costs to $7.50/M tokens.

Also from OpenAI

Other models by OpenAI with live pricing in our catalog.