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What is Amazon Lex?
Amazon Lex is a service for building conversational interfaces into any application using voice and text. Amazon Lex provides the advanced deep learning functionalities of automatic speech recognition (ASR) for converting speech to text, and natural language understanding (NLU) to recognize the intent of the text, to enable you to build applications with highly engaging user experiences and lifelike conversational interactions.
Company Details
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Real user data aggregated to summarize the product performance and customer experience.
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Product scores listed below represent current data. This may be different from data contained in reports and awards, which express data as of their publication date.
92 Likeliness to Recommend
5
Since last award
98 Plan to Renew
2
Since last award
76 Satisfaction of Cost Relative to Value
2
Since last award
Emotional Footprint Overview
Product scores listed below represent current data. This may be different from data contained in reports and awards, which express data as of their publication date.
+94 Net Emotional Footprint
The emotional sentiment held by end users of the software based on their experience with the vendor. Responses are captured on an eight-point scale.
How much do users love Amazon Lex?
Pros
- Reliable
- Acts with Integrity
- Continually Improving Product
- Trustworthy
How to read the Emotional Footprint
The Net Emotional Footprint measures high-level user sentiment towards particular product offerings. It aggregates emotional response ratings for various dimensions of the vendor-client relationship and product effectiveness, creating a powerful indicator of overall user feeling toward the vendor and product.
While purchasing decisions shouldn't be based on emotion, it's valuable to know what kind of emotional response the vendor you're considering elicits from their users.
Footprint
Negative
Neutral
Positive
Feature Ratings
Intent Extraction
Workflow Processing
Personalized Service
Learning and Adaptability
Other Integrations
Natural Language Processing
Leads Generation
Artificial Intelligence Engine
Vendor Capability Ratings
Ease of Data Integration
Usability and Intuitiveness
Quality of Features
Vendor Support
Ease of Implementation
Product Strategy and Rate of Improvement
Ease of Customization
Ease of IT Administration
Breadth of Features
Business Value Created
Availability and Quality of Training
Amazon Lex Reviews

Sumit G.
- Role: Sales Marketing
- Industry: Consulting
- Involvement: Business Leader or Manager
Submitted Oct 2024
User-friendly with powerful capabilities
Likeliness to Recommend
What differentiates Amazon Lex from other similar products?
Multi-channel Support: Deploy across various platforms. Pay-as-you-go Pricing: Flexible cost structure.
What is your favorite aspect of this product?
My favorite aspect is its seamless integration with AWS services, enabling powerful and scalable solutions.
What do you dislike most about this product?
I dislike the learning curve for new users; it can be challenging to navigate initially.
What recommendations would you give to someone considering this product?
Explore Documentation: Review resources thoroughly. Start Small: Begin with simple projects. Utilize Tutorials: Follow guided tutorials for setup.
Pros
- Helps Innovate
- Continually Improving Product
- Reliable
- Trustworthy
Please tell us why you think this review should be flagged.

Simeone C.
- Role: Information Technology
- Industry: Technology
- Involvement: End User of Application
Submitted Oct 2024
Intuitive design
Likeliness to Recommend
What differentiates Amazon Lex from other similar products?
Lex utilizes advanced ASR and NLU technologies, enabling it to understand user intents and manage complex conversations effectively.
What is your favorite aspect of this product?
seamless integration with the broader AWS ecosystem. This allows developers to easily connect Lex with other services like Lambda for backend processing and Polly for voice capabilities, creating robust and scalable conversational applications. This level of integration simplifies the development process and enhances the overall user experience.
What do you dislike most about this product?
The setup and configuration can be complex, requiring a good understanding of various AWS services and best practices. This may be a barrier for smaller teams or those without extensive technical expertise. Additionally, some users might find the documentation overwhelming or lacking in certain areas, which can hinder the onboarding process.
What recommendations would you give to someone considering this product?
Begin with a simple use case to get a feel for Lex’s capabilities. This will help you learn the platform without becoming overwhelmed.
Pros
- Reliable
- Performance Enhancing
- Enables Productivity
- Trustworthy
Please tell us why you think this review should be flagged.

Akarshit C.
- Role: Information Technology
- Industry: Technology
- Involvement: IT Development, Integration, and Administration
Submitted Sep 2024
Powerful Integration, but Complex for Beginners.
Likeliness to Recommend
What differentiates Amazon Lex from other similar products?
Amazon Lex stands out because it easily connects with other AWS services, making it powerful for building customizable chatbots and voice apps that can scale up as needed.
What is your favorite aspect of this product?
My favorite aspect of Amazon Lex is its ability to integrate smoothly with other AWS tools, which makes it easy to build and deploy complex applications quickly.
What do you dislike most about this product?
What I dislike most about Amazon Lex is that it can be challenging to set up for beginners, especially if you're not familiar with AWS, and the pricing can add up quickly as you scale.
What recommendations would you give to someone considering this product?
I recommend getting familiar with AWS basics before using Amazon Lex, as it can be complex for newcomers. Start with small projects to understand its features, and keep an eye on costs as you scale up.
Pros
- Enables Productivity
- Efficient Service
- Respectful
- Friendly Negotiation
Please tell us why you think this review should be flagged.
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