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Yandex Vision OCR
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  1. Concepts
  2. Quotas and limits

Quotas and limits in Vision OCR

Written by
Yandex Cloud
Updated at April 22, 2025
  • Quotas are organizational constraints that our support team can change upon 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.

QuotasQuotas

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

LimitsLimits

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

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