Amazon Comprehend

Overview of Amazon Comprehend features, use cases and pricing

Amazon (AWS) Comprehend is a natural-language processing (NLP) service that uses machine learning to uncover valuable insights and connections in text.

Amazon (AWS) Comprehend uses machine learning to help you uncover the insights and relationships in your unstructured data. The service identifies the language of the text; extracts key phrases, places, people, brands, or events; understands how positive or negative the text is; analyzes text using tokenization and parts of speech; and automatically organizes a collection of text files by topic.  

Amazon (AWS) Comprehend Medical is a HIPAA-eligible natural language processing (NLP) service that uses machine learning to extract health data from medical text–no machine learning experience is required.

How it Works

Amazon Comprehend Workflow

Use Cases

Amazon (AWS) Comprehend is predominantly used for Advanced Text analytics, Key Phrase Extraction, Sentiment Analysis, Entity Recognition, Language Detection, Syntax Analysis use cases.

  1. Mine call center analytics – Detect customer sentiment and analyze customer interactions to improve your products and services.
  2. Index and search product reviews – Focus on context by equipping your search engine to index key phrases, entities, and sentiment, not just keywords.
  3. Streamline support tickets – Automatically categorize inbound support documents, such as product reviews, and extract relevant information to solve customer issues faster.
  4. Categorize financial documents – Train custom entities to extract relevant information and insights from financial service documents, such as insurance quotes or mortgage packages.

Getting Started

Hands on Training –

Amazon Comprehend Pricing

Amazon (AWS) Comprehend Pricing is based on usage of the features. Requests in Amazon Comprehend is measured in Units. 1 unit is 100 characters. Minimum 3 units (300 characters) per request. This means even if your request has just 50 character, you will still charged a minimum 3 units.

For example, If you have a website with reviews enabled on it and on average there will be 20000 comments per day and each comment will have at least 500 characters, following will be Total cost of utilizing the Amazon Comprehend for Sentiment analysis.

Size of each request500 characters
Number of units per each request6
Total units @ 20000 comment requests120000
Price Per unit$0.0001
Total Cost$12
Amazon Comprehend Pricing Calculator

Additional Pricing details found in –

For more information about other AWS Machine Learning , AI services, check out our post –