Features

Classify text passages

Understand the intent behind text and returns a corresponding classification, complete with a confidence score.

Evaluate results

Update training data based on classification results and create and train a classifier using updated training data.

Build conversational applications

Answer questions in a contact center, create chatbots, categorize volumes of written content and more.

Natural Language Classifier service overview

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Start Building with Natural Language Classifier

Get started with Watson

Access Watson services on the IBM Cloud.

Developer tools

Everything you need to start building with Watson.

Learn more about Natural Language Classifier

Pricing

Free

  • – 1 classifier
  • – 1000 API calls per month
  • – First 4 training events per month

Additional Costs

  • – Additional API calls are $0.0035 per call
  • – Each additional classifier is $20 per month (up to 8 classifiers)
  • – You are charged only for the GET /classify and POST /classify methods

Classifier Training Events

  • – Additional training events are $3.00 per training event
  • – Training events are tracked and charged for on a monthly basis