Quotas and limits in Vision OCR
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Updated at July 14, 2025
- Quotas are organizational constraints that can be changed by support on request.
- Limits are technical constraints of the Yandex Cloud architecture. You cannot change the limits.
If you need more resources, contact support and tell us which quotas you need to increase, for which models, and by how much.
Quotas
| Type of limit | Value |
|---|---|
| Number of requests per second, synchronous mode | 1 |
| Number of requests per second, asynchronous mode | 10 |
| Number of requests per second, asynchronous mode (getting an operation status) | 50 |
| Number of requests per second, asynchronous mode (getting a response) | 50 |
Limits
| Type of limit | Value |
|---|---|
| Period for storing recognition results on the server | 3 days |
| Maximum file size for the OCR API | 10 MB |
| Maximum image size | 20 MP (length × width) |
| Maximum number of pages in a PDF file when using the OCR API in asynchronous mode | 200 |