Dialogflow is a natural language understanding platform used to design and integrate conversational user interfaces into mobile apps, web applications, devices, bots,...
Free tier available, with paid plans starting at $0.002 per request
Best Microsoft LUIS Alternatives ranked by AI · updated May 2025
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Microsoft's Language Understanding Intelligent Service (LUIS) is a cloud-based natural language processing service that allows developers to build language understanding into their applications.
Price: Free tier available, pricing based on usage
Top 6 Microsoft LUIS alternatives
Amazon Lex is a service for building conversational interfaces into any application using voice and text.
Pay as you go pricing
QnA Maker is a cloud-based service that enables you to create a knowledge base from your content, including FAQs, product manuals, and...
Free tier available, pricing varies based on usage
Actions on Google is a development platform for building Google Assistant applications. It allows developers to create conversational experiences for users on...
Wit.ai is a natural language processing tool that enables developers to easily create text or voice-based interfaces for their applications.
Free tier available, pricing based on usage
6
Cleverbot.io
Quentin André and contributors
Cleverbot.io is a Node.js library for integrating Cleverbot conversations into applications. It is aimed at developers who want a simple conversational interface...
Pros
- Simple Node.js interface for adding conversational replies
- Maintains conversation sessions with minimal application code
- Much lighter to deploy than a full chatbot platform
Cons
- Depends on the external Cleverbot API rather than providing its own model
- Far fewer intents, workflow, and analytics tools than Dialogflow or Rasa
- Limited control over response quality and factual accuracy
Free library; Cleverbot API access may require payment
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