Amazon Comprehend vs Wit: What are the differences?

Amazon Comprehend: Discover insights and relationships in text. Amazon Comprehend is a natural language processing (NLP) service that uses machine learning to discover insights from text. Amazon Comprehend provides Keyphrase Extraction, Sentiment Analysis, Entity Recognition, Topic Modeling, and Language Detection APIs so you can easily integrate natural language processing into your applications; Wit: Natural Language for the Internet of Things. Turn speech into actionable data. Wit enables developers to add a modern natural language interface to their app or device with minimal effort. Precisely, Wit turns sentences into structured information that the app can use. Developers don’t need to worry about Natural Language Processing algorithms, configuration data, performance and tuning. Wit encapsulates all this and lets you focus on the core features of your apps and devices.

Amazon Comprehend and Wit can be primarily classified as "NLP / Sentiment Analysis" tools.

Some of the features offered by Amazon Comprehend are:

• Keyphrase extraction
• Sentiment analysis
• Entity recognition

On the other hand, Wit provides the following key features:

• Voice-enabled Android and iOS apps
• Rasberry Pi based home automation commanded by speech
• Google Glass apps accepting voice commands