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Compare Amazon Lex and IBM watsonx Assistant 
At a Glance
Market Segments
Enterprise (36.1% of reviews)
Enterprise (43.1% 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 LexIBM watsonx Assistant
Star Rating
(327)4.4 out of 5
Market Segments
Enterprise (43.1% of reviews)
Entry-Level Pricing
Free
Browse all 3 pricing plansSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- Users report that IBM watsonx Assistant excels in Natural Language Understanding (NLU) with a score of 9.1, which reviewers mention leads to more accurate and context-aware interactions compared to Amazon Lex's score of 8.6 in the same area.
- Reviewers mention that IBM watsonx Assistant's AI Text Summarization feature, rated at 9.0, provides superior capabilities for condensing information, while Amazon Lex's score of 8.6 indicates it may not be as effective in this aspect.
- G2 users highlight that IBM watsonx Assistant's Conversation Editor, rated at 9.0, offers a more intuitive interface for building conversational flows, whereas users on G2 find Amazon Lex's editor to be less user-friendly, reflected in its score of 8.9.
- Users say that IBM watsonx Assistant shines in automation capabilities, particularly in Sales Follow-Up, where it received a high score of 9.3, while Amazon Lex does not have a specific mention of this feature, indicating a potential gap in its automation offerings.
- Reviewers mention that the quality of support for Amazon Lex is rated higher at 8.7 compared to IBM watsonx Assistant's 8.1, suggesting that users may find more responsive assistance when using Amazon Lex.
- Users report that IBM watsonx Assistant's product direction is rated at 9.2, indicating strong confidence in its future development, while Amazon Lex's score of 8.5 suggests that users may have some reservations about its ongoing enhancements.
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Pricing
Entry-Level Pricing
Amazon Lex
No pricing availableIBM watsonx Assistant
Lite (Digital only)
Free
Everything you need to get started, free for as long as you need it
- Pre-built webchat interface
- Limited to 1,000 users / month
- 5 skills
Free Trial
Amazon Lex
No trial information availableIBM watsonx Assistant
Free Trial is available
Ratings
Meets Requirements
8.7
23
8.5
226
Ease of Use
8.4
23
8.5
233
Ease of Setup
8.1
14
8.1
159
Ease of Admin
7.9
14
7.9
139
Quality of Support
8.7
23
8.1
206
Has the product been a good partner in doing business?
8.5
14
8.4
137
Product Direction (% positive)
8.5
23
9.2
208
Features by Category
Responses
Not enough data
8.9
49
Not enough data
8.8
49
Not enough data
9.1
49
Automation - AI Agents
Not enough data
8.9
6
Not enough data
9.0
5
Not enough data
9.3
5
Not enough data
9.0
5
Not enough data
9.0
5
Platform
Not enough data
9.0
48
Not enough data
8.9
49
Not enough data
8.5
44
Autonomy - AI Agents
Not enough data
9.0
5
Not enough data
Not enough data
Not enough data
10.0
5
Not enough data
8.7
5
Generative AI
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Generative AI
Not enough data
8.6
23
Not enough data
8.8
23
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
Customer Query Resolution - AI Customer Support Agents
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
Customer Interaction Automation - AI Customer Support Agents
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Automation
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Autonomy
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 - AI Agents
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
Categories
Categories
Shared Categories
Amazon Lex and IBM watsonx Assistant are categorized as Bot Platforms
Unique Categories
Amazon Lex is categorized as Genesys AppFoundry Marketplace
IBM watsonx Assistant is categorized as AI Customer Support Agents and AI Agents For Business Operations
Reviews
Reviewers' Company Size
Amazon Lex
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
IBM watsonx Assistant
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%
Information Technology and Services
18.0%
Computer Software
12.7%
Banking
5.9%
Telecommunications
5.2%
Automotive
4.2%
Other
53.9%
Most Helpful Reviews
Amazon Lex
Most Helpful Favorable Review
Verified User in Pharmaceuticals
With it's suitable NLP model, good interaxtion with customers and scalbility makes it a best chatbot
Most Helpful Critical Review
Vijayakrishna R.
Verified User in Facilities Services
Conflicting documentation. Very hard to integrate the chatbot with your web site. Support or documentation how to do this is very less.
IBM watsonx Assistant
Most Helpful Favorable Review
Katherine S.
Verified User
The best for me is the ability of artificial intelligence watson, is how to interact with a human being, gives you advice on improvements in processes such as sales, interactions with your clientele, where you can even have keywords of your company recorded...
Most Helpful Critical Review
Verified User in Banking
Need to add more ai feature add for self learning.
Verified User in Pharmaceuticals
With it's suitable NLP model, good interaxtion with customers and scalbility makes it a best chatbot
Katherine S.
Verified User
The best for me is the ability of artificial intelligence watson, is how to interact with a human being, gives you advice on improvements in processes such as sales, interactions with your clientele, where you can even have keywords of your company recorded...
Vijayakrishna R.
Verified User in Facilities Services
Conflicting documentation. Very hard to integrate the chatbot with your web site. Support or documentation how to do this is very less.
Verified User in Banking
Need to add more ai feature add for self learning.
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
Is IBM Watson assistant free?
2 comments
LS
You can start for free, small scale up to 1000 Monthly users and 10000 messages per month.
https://www.ibm.com/products/watson-assistant/pricing
Then pay...Read more
How can I learn advance level learning of IBM Watson?
1 comment
SB
You could take the watson assistant foundation course and earn an IBM certified Acclaim badge for...Read more
What is the best way to generate a confusion matrix to measure the accuracy of my model?
1 comment
SB
IBM provides a Jupyter note book which provides helpful things like this and full guidance of an example end to end...Read more
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