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Compare Amazon Lex and Rasa 
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At a Glance
Market Segments
Enterprise (36.1% of reviews)
Small-Business (72.7% of reviews)
Entry-Level Pricing
No pricing available
Free
Amazon Lex
Star Rating
(37)4.2 out of 5
Market Segments
Enterprise (36.1% of reviews)
Pros & Cons
Not enough data
Entry-Level Pricing
No pricing available
Learn more about Amazon LexRasa
Star Rating
(11)4.0 out of 5
Market Segments
Small-Business (72.7% of reviews)
Pros & Cons
Entry-Level Pricing
Free
Browse all 3 pricing plansSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- Users report that Amazon Lex excels in its integration with AWS services, making it a preferred choice for enterprises looking for a robust cloud-based solution. In contrast, Rasa is favored by small businesses for its open-source nature, allowing for greater customization and flexibility.
- Reviewers mention that Amazon Lex has a higher ease of use rating (8.4) compared to Rasa (7.2), indicating that users find Lex more intuitive for building conversational interfaces without extensive technical knowledge.
- G2 users highlight that Amazon Lex offers superior quality of support (8.7) compared to Rasa (8.3), suggesting that users feel more supported when troubleshooting or seeking assistance with Lex.
- Users on G2 report that Rasa shines in its ability to provide a customizable conversational platform, allowing developers to create tailored experiences, while Amazon Lex is noted for its seamless integration with voice assistants, enhancing user engagement.
- Reviewers say that Amazon Lex's proactive engagement features are more advanced, enabling businesses to initiate conversations based on user behavior, whereas Rasa focuses more on contextual engagement, which may require more setup and understanding of user intents.
- Users report that while Amazon Lex has a strong performance in enterprise settings, Rasa's free entry-level price and small-business focus make it an attractive option for startups and smaller teams looking to implement conversational AI without significant upfront costs.
Pricing
Entry-Level Pricing
Amazon Lex
No pricing availableRasa
Developer Edition
Free
For developers exploring AI assistant projects, you can access all of Rasa Pro on your own computer. CALM, Enterprise Search, E2E testing, and more. Community Support is available in our Forum.
- Access to Rasa Pro and our dialogue engine CALM (Conversational AI with Language Models) .
Free Trial
Amazon Lex
No trial information availableRasa
Free Trial is available
Ratings
Meets Requirements
8.7
23
7.8
9
Ease of Use
8.4
23
7.2
9
Ease of Setup
8.1
14
Not enough data
Ease of Admin
7.9
14
Not enough data
Quality of Support
8.7
23
8.3
9
Has the product been a good partner in doing business?
8.5
14
Not enough data
Product Direction (% positive)
8.5
23
5.0
7
Features by Category
Messenger
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Channels
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Customers
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Conversational Marketing
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Conversational Platform
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Support Automation
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Generative AI
Not enough data
Not enough data
Not enough data
Not enough data
Generative AI
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Bot Platforms
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Genesys AppFoundry Marketplace
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Categories
Categories
Shared Categories
Amazon Lex and Rasa are categorized as Bot Platforms
Unique Categories
Amazon Lex is categorized as Genesys AppFoundry Marketplace
Rasa is categorized as Conversational Support and Conversational Marketing
Reviews
Reviewers' Company Size
Amazon Lex
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Rasa
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Computer Software
22.2%
Information Technology and Services
13.9%
Pharmaceuticals
8.3%
Non-Profit Organization Management
5.6%
Banking
5.6%
Other
44.4%
Computer Software
36.4%
Information Technology and Services
18.2%
Telecommunications
9.1%
Marketing and Advertising
9.1%
Graphic Design
9.1%
Other
18.2%
Alternatives
Discussions
What is Amazon Lex used for?
1 Comment
UT
Interactive ai chat bot used for your business use case Read more
Amazon Lex has no more discussions with answers
Rasa has no discussions with answers
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