Compare Amazon Lex and Rasa 
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)
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)
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 capabilities with AWS services, making it a preferred choice for enterprises looking for a robust cloud-based solution. In contrast, Rasa is praised for its flexibility and open-source nature, allowing developers to customize their conversational AI solutions extensively.
- Reviewers mention that Amazon Lex has a user-friendly interface that simplifies the setup process, achieving a score of 8.1 in ease of setup. However, Rasa users report a steeper learning curve, with an ease of use score of 7.2, which may require more technical expertise to fully leverage its capabilities.
- G2 users highlight that Amazon Lex offers superior support quality, scoring 8.7, which is beneficial for enterprises needing reliable assistance. Conversely, Rasa's support is noted to be slightly less responsive, with a score of 8.3, which may impact users who require immediate help.
- Users on G2 indicate that Amazon Lex's proactive engagement features are particularly strong, allowing for more dynamic interactions with users. Rasa, while offering personalization, is often seen as less effective in this area, leading to a more static user experience.
- Reviewers say that Amazon Lex's generative AI capabilities, including AI text generation and summarization, are robust and well-integrated, making it suitable for complex conversational scenarios. Rasa, while offering similar features, is often viewed as less polished in execution, which can affect the overall user experience.
- Users report that Amazon Lex is particularly effective for enterprises due to its scalability and ability to handle large volumes of interactions seamlessly. In contrast, Rasa is favored by small businesses for its cost-effectiveness and free entry-level pricing, making it an attractive option for startups and smaller teams.
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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
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
Feature Not Available
Not enough data
Feature Not Available
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%
Most Helpful Reviews
Amazon Lex
Most Helpful Favorable Review
Verified User in Banking
Easier for Alexa Skills. We can integrate our existing ssyetsm to Alexa using lex easily.
Most Helpful Critical Review
Sahil G.
Verified User in Information Technology and Services
limited capabilities and later on with chatbot launch, its usage became even more limited
Rasa
Most Helpful Favorable Review
Vinay B.
Verified User in Graphic Design
Has a good interface and will be there for them need of complete the best of the important things with easy navigation of website
Most Helpful Critical Review
Dhruv J.
Verified User in Computer Software
It is very difficult to use rasa for long form conversation or a little deep conversation.
Verified User in Banking
Easier for Alexa Skills. We can integrate our existing ssyetsm to Alexa using lex easily.
Vinay B.
Verified User in Graphic Design
Has a good interface and will be there for them need of complete the best of the important things with easy navigation of website
Sahil G.
Verified User in Information Technology and Services
limited capabilities and later on with chatbot launch, its usage became even more limited
Dhruv J.
Verified User in Computer Software
It is very difficult to use rasa for long form conversation or a little deep conversation.
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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