o1 API price
o1
The cheapest o1 API is $15.00/M input at Official - OpenAI - all 2 providers compared below, per 1M tokens.
MidOpenAI2 sellers
Input
$15.00
per 1M tokens · Official - OpenAI
Output
$60.00
per 1M tokens · Official - OpenAI
Where to buy it
Cheapest o1 API providers compared - 2 sellers, from $15.00/M.
Cost calculator
| Provider | Input $/M | Output $/M | Cached in | Your cost |
|---|---|---|---|---|
| Official - OpenAI | 15.00cheapest | 60.00 | 7.50 | |
| Batch | 7.50 | 30.00 | - | |
| OpenRouter (aggregator)stale | 15.00 | 60.00 | 7.50 |
Against its tier
- This model$75.00
- Cheapest · Nemotron 3.5 Content Safety$0.40
- Tier median · GLM 5$4.20
- Dearest · GPT 5.5 Cyber$87.50
#32 of 34 mid · cheaper than 6%
Details
- Context window
- -not published
- Developer
- OpenAI
- Intelligence
- 15.2est.
- Sellers
- 2
- Cached input
- $7.50where the source publishes one
- Cheapest at
- Official - OpenAI
- Combined
- $75.00in + out per 1M
- Last checked
- 2026-09-17