Custom text classification limits
Use this article to learn about the data and service limits when using custom text classification.
Language resource limits
Your Language resource has to be created in one of the supported regions and pricing tiers listed below.
You can only connect 1 storage account per resource. This process is irreversible. If you connect a storage account to your resource, you cannot unlink it later. Learn more about connecting a storage account
You can have up to 500 projects per resource.
Project names have to be unique within the same resource across all custom features.
Pricing tiers
Custom text classification is available with the following pricing tiers:
| Tier | Description | Limit |
|---|---|---|
| F0 | Free tier | You are only allowed one F0 tier Language resource per subscription. |
| S | Paid tier | You can have unlimited Language S tier resources per subscription. |
See pricing for more information.
Regional availability
See Language service regional availability.
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 |
| Document size | -- | 125,000 characters. You can send up to 25 documents as long as they collectively do not exceed 125,000 characters |
Tip
If you need to send larger files than the limit allows, you can break the text into smaller chunks of text before sending them to the API. You use can the chunk command from CLUtils for this process.
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 text records per month |
| S | Prediction Calls | Unlimited, Pay as you go |
Document limits
You can only use
.txt. files. If your data is in another format, you can use the CLUtils parse command to open your document and extract the text.All files uploaded in your container must contain data. Empty files are not allowed for training.
All files should be available at the root of your container.
Data limits
The following limits are observed for the custom text classification.
| Item | Lower Limit | Upper Limit |
|---|---|---|
| Documents count | 10 | 100,000 |
| Document length in characters | 1 | 128,000 characters; approximately 28,000 words or 56 pages. |
| Count of classes | 1 | 200 |
| Count of trained models per project | 0 | 10 |
| Count of deployments per project (paid tier) | 0 | 10 |
| Count of deployments per project (free tier) | 0 | 1 |
Naming limits
| Item | 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. |
| Class name | You can only use letters (a-z, A-Z), numbers (0-9) and all symbols except ":", $ & % * ( ) + ~ # / ?. Maximum allowed length is 50 characters. |
| Document name | You can only use letters (a-z, A-Z), and numbers (0-9) with no spaces. |