Orchestration workflow limits

Use this article to learn about the data and service limits when using orchestration workflow.

Language resource limits

  • Your Language resource has to be created in one of the supported regions.

  • Pricing tiers

    Tier Description Limit
    F0 Free tier You are only allowed one Language resource with the F0 tier per subscription.
    S Paid tier You can have up to 100 Language resources in the S tier per region.

See pricing for more information.

  • You can have up to 500 projects per resource.

  • Project names have to be unique within the same resource across all custom features.

Regional availability

Orchestration workflow is only available in some Azure regions. Some regions are available for both authoring and prediction, while other regions are prediction only. Language resources in authoring regions allow you to create, edit, train, and deploy your projects. Language resources in prediction regions allow you to get predictions from a deployment.

Region Authoring Prediction
Australia East
Brazil South
Canada Central
Central India
Central US
East Asia
East US
East US 2
France Central
Japan East
Japan West
Jio India West
Korea Central
North Central US
North Europe
Norway East
South Africa North
South Central US
Southeast Asia
Sweden Central
Switzerland North
UAE North
UK South
West Central US
West Europe

API limits

Item Request type Maximum limit
Authoring API POST 10 per minute
Authoring API GET 100 per minute
Prediction API GET/POST 1,000 per minute

Quota limits

Pricing tier Item Limit
F Training time 1 hour per month
S Training time Unlimited, Pay as you go
F Prediction Calls 5,000 request per month
S Prediction Calls Unlimited, Pay as you go

Data limits

The following limits are observed for orchestration workflow.

Item Lower Limit Upper Limit
Count of utterances per project 1 15,000
Utterance length in characters 1 500
Count of intents per project 1 500
Count of trained models per project 0 10
Count of deployments per project 0 10

Naming limits

Attribute Limits
Project name You can only use letters (a-z, A-Z), and numbers (0-9) , symbols _ . -, with no spaces. Maximum allowed length is 50 characters.
Model name You can only use letters (a-z, A-Z), numbers (0-9) and symbols _ . -. Maximum allowed length is 50 characters.
Deployment name You can only use letters (a-z, A-Z), numbers (0-9) and symbols _ . -. Maximum allowed length is 50 characters.
Intent name You can only use letters (a-z, A-Z), numbers (0-9) and all symbols except ":", $ & % * ( ) + ~ # / ?. Maximum allowed length is 50 characters.

Next steps