OpenAI
OpenAI file search tool call usage cost
File search tool calls at $2.50 per 1,000 on the Responses API. Storage is billed separately per GB-day.

Estimate cost
- Published unit price
- $0.0025
- Estimated cost
- $2.50
Project monthly volume
- Estimated daily cost
- —
- Estimated monthly cost
- —
Cost at different volumes
Cost of OpenAI file search tool call from light use to heavy use. The middle rows are there so you are not jumping from 10 to 100 with nothing in between.
| Usage volume | Estimated cost |
|---|---|
| 1 | $0.0025 |
| 10 | $0.025 |
| 25 | $0.0625 |
| 50 | $0.125 |
| 100 | $0.25 |
| 250 | $0.625 |
| 500 | $1.25 |
| 1,000 | $2.50 |
| 2,500 | $6.25 |
| 5,000 | $12.50 |
| 10,000 | $25.00 |
| 25,000 | $62.50 |
| 50,000 | $125.00 |
| 100,000 | $250.00 |
| 250,000 | $625.00 |
| 500,000 | $1,250.00 |
| 1,000,000 | $2,500.00 |
| 5,000,000 | $12,500.00 |
| 10,000,000 | $25,000.00 |
At these rates
- The published rate is $0.0025 per file search tool call.
- One thousand units cost $2.50; 100,000 units cost $250.00 before allowances, tiers, or other billing components.
- A $100 budget covers about 40,000 units at this linear rate.
The calculator applies the published unit rate in a straight line. Included quotas, tiers, minimums, regional charges, and other billing lines can change the total.