Lex is a cool service and has helped us is quickly building capability quickly and resolved some of the business problems that our customers have Review collected by and hosted on G2.com.

Nothing in specific. It has been only good experience from Lex. With multiple products from Alexa, need to have 1 common way of using all of them Review collected by and hosted on G2.com.

The programming interface is reallly powerful to dynamically create bots, slots and intents. CLI is another powerful tool which makes the job really easy. Review collected by and hosted on G2.com.

Intent confidence score is a must have for identifying the right intent. The other feature which is missing is handling fallback intent Review collected by and hosted on G2.com.

Amazon has already done most of the heavy lifting coding-wise. Lots of functionality like NLP and converting text to speech. They even have some tutorial videos on Youtube as well as documentation which really make it more accessible. Review collected by and hosted on G2.com.

In the small amount of time I've used it, I've found Amazon Lex to be pretty good for it's value and not very difficult to use, so for right now I really don't have any dislikes. Review collected by and hosted on G2.com.

Easily access the deep learning capabilities for chatbots. Easily integrates with AWS Lambda, Amazon Lex can communicate with Salesforce, Microsoft Dynamics, Marketo, Zendesk, QuickBooks, and HubSpot. Review collected by and hosted on G2.com.

Not for the faint of heart developers. Additionally, you will need to have AWS management console. However, once you have this, it'll be easier to manage. Review collected by and hosted on G2.com.

Amazon has provided an awesome guide to understand it so its very easy to use.

Automatic speech recognition is a great deal in communication.

It can easily understand one's native language and can implement on it accordingly

It can easily build text and voice chat box Review collected by and hosted on G2.com.

Hardware and software needs a complex configuration before using it.

It's all related to amazon web services and if the server is down you can't operate the application. Review collected by and hosted on G2.com.

The UI is very intuitive and one can quickly learn to navigate it Review collected by and hosted on G2.com.

When there are blatant errors that make the bot appear unnatural. Most of the time Amazon lex impresses me, but when it's not 100% then it's painful. Review collected by and hosted on G2.com.

Overall, as a company, I really feel that Amazon strives to make their products as user friendly as possible. This product comes with a lot of directions that make it pretty easy to navigate through. Review collected by and hosted on G2.com.

Using Amazon Lex effectively requires a lot of trial and error. Review collected by and hosted on G2.com.

It works really welli within the broader ecosystem. Review collected by and hosted on G2.com.

Not being able to front Alexa with Lex.We are attempting to use Lex as a centralized NLP engine to handle our integration, and that has become a challenge due to Amazon's restrictions on only using ALexa's NLP. Review collected by and hosted on G2.com.

Amazon Lex provides good value for our customers. It was easy to integrate and link into our solution. They have good functionality and a solid roadmap for the future. Review collected by and hosted on G2.com.

They are working on expanding support to different regions, but for now still missing support for certain regions which are important for our customers - they have a good roadmap to move into additional regions. Review collected by and hosted on G2.com.

It is doing the heavy lifting. Copared it with IBM Watson and this is pretty cool Review collected by and hosted on G2.com.

I think the user interface to build the conversations can be improved Review collected by and hosted on G2.com.