Compare Amazon Lex and IBM watsonx Assistant 
At a Glance
Market Segments
Enterprise (36.1% of reviews)
Enterprise (42.5% 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
(322)4.4 out of 5
Market Segments
Enterprise (42.5% of reviews)
Entry-Level Pricing
Free
Free Trial is available
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 stands out with a score of 9.0, providing concise and relevant summaries, while Amazon Lex's score of 8.6 indicates it may not be as effective in this aspect.
- G2 users highlight the superior quality of support for Amazon Lex, scoring 8.7, which users say contributes to a more seamless experience when troubleshooting issues, whereas IBM watsonx Assistant has a slightly lower support score of 8.1.
- Users on G2 report that IBM watsonx Assistant's Conversation Editor is highly rated at 9.0, making it easier to design and manage conversations, while Amazon Lex's integration capabilities, scoring 8.9, are noted for their flexibility but may require more technical expertise.
- Reviewers mention that IBM watsonx Assistant shines in automation with a score of 9.3 for Sales Follow-Up, indicating a strong ability to streamline sales processes, while Amazon Lex's automation features are perceived as less robust in this area.
- Users say that both platforms have strong personalization capabilities, but IBM watsonx Assistant's score of 8.9 is slightly higher than Amazon Lex's, suggesting a more tailored user experience in interactions.
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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
8.6
221
Ease of Use
8.4
23
8.5
228
Ease of Setup
8.1
14
8.1
154
Ease of Admin
7.9
14
7.9
137
Quality of Support
8.7
23
8.1
201
Has the product been a good partner in doing business?
8.5
14
8.4
135
Product Direction (% positive)
8.5
23
9.2
203
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
Feature Not Available
Feature Not Available
Feature Not Available
Feature Not Available
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 Agents
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
17.9%
Computer Software
13.0%
Telecommunications
5.3%
Banking
5.0%
Automotive
4.3%
Other
54.5%
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
Vishal S.
Verified User in Health, Wellness and Fitness
dev-ops is not there for wA, configuraution is not proper
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.
Vishal S.
Verified User in Health, Wellness and Fitness
dev-ops is not there for wA, configuraution is not proper
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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