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Amazon Lex vs Zendesk Chat

Amazon Lex logo

Amazon Lex

Software

AWS conversational AI service

From
$0.00075/per text request
Rated
-
Full reviewWebsite
Zendesk Chat logo

Zendesk Chat

Software

Live chat software from Zendesk

From
$49/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Amazon Lex pay-as-you-go model with no standard free tier, only AWS free credits for new customers (6 months, $200 limit); Zendesk Chat messaging and live chat require at least the Suite Team plan at $55/agent/month paid yearly; the base Support Team plan at $19/agent/month does not include chat at all
  • They diverge on capability: Amazon Lex covers Speech recognition, Zendesk Chat covers Web messaging.

Where they differ

Only the attributes on which Amazon Lex and Zendesk Chat actually diverge.

Attributes where Amazon Lex and Zendesk Chat differ
AttributeAmazon LexZendesk Chat
Starting price$0.00075/per text request$49/month
Pricing modelusage-basedsubscription
PlatformsWeb, AWS CloudWeb, Ios, Android
Founded20062007

Identical on both: free tier (No), user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Amazon Lex

  • Speech recognition
  • Natural language understanding
  • Voice and text
  • Lambda integration
  • AWS services
  • Lambda
  • DynamoDB
  • SNS

Only in Zendesk Chat

  • Web messaging
  • Mobile messaging
  • Chatbots
  • Proactive chat
  • Analytics
  • Triggers
  • Zendesk Support
  • Salesforce

Both cover

  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Amazon Lex

  • Building conversational chatbots leveraging Alexa deep learning enginenot Zendesk Chat
  • Voice and text-based NLU applications requiring automatic speech recognitionnot Zendesk Chat
  • Custom conversational interfaces integrated into existing applicationsnot Zendesk Chat

Zendesk Chat

  • Support teams wanting live chat bundled with ticketing rather than a standalone chat widgetnot Amazon Lex

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Amazon Lex

  • Pay-as-you-go model with no standard free tier, only AWS free credits for new customers (6 months, $200 limit)
  • Speech requests cost $0.004 each, text requests $0.00075 each, training costs $0.50 per minute
  • Variable costs can accumulate quickly for high-volume applications

Zendesk Chat

  • Messaging and live chat require at least the Suite Team plan at $55/agent/month paid yearly; the base Support Team plan at $19/agent/month does not include chat at all
  • Enterprise-grade chat features (Admin Copilot, skills-based routing) require Suite Professional at $115/agent/month or higher

Pricing, plan by plan

Amazon Lex

$0.00075/per text request

No published plan breakdown. See the Amazon Lex review.

Zendesk Chat

$49/month
  • Suite Team$49/month
    • Messaging
    • Help center
    • Basic bots
  • Suite Growth$79/month
    • Team + Multiple brands
    • Custom fields
  • Suite Professional$99/month
    • Growth + AI
    • Custom analytics

Which should you pick?

Choose Amazon Lex if

  • You need speech recognition.
  • You work on Web, AWS Cloud.
  • You also want natural language understanding.
Amazon Lex review

Choose Zendesk Chat if

  • You need web messaging.
  • You work on Web, Ios, Android.
  • You also want mobile messaging.
Zendesk Chat review

Questions people ask

Is Amazon Lex or Zendesk Chat better?
Neither clearly leads. Amazon Lex starts at $0.00075/per text request and Zendesk Chat at $49/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amazon Lex or Zendesk Chat?
Amazon Lex starts at $0.00075/per text request and Zendesk Chat at $49/month.
Does Amazon Lex or Zendesk Chat run on more platforms?
Amazon Lex runs on Web, AWS Cloud. Zendesk Chat runs on Web, Ios, Android.
What is Amazon Lex best used for?
Amazon Lex is most often used for building conversational chatbots leveraging alexa deep learning engine, voice and text-based nlu applications requiring automatic speech recognition, custom conversational interfaces integrated into existing applications. Of those, building conversational chatbots leveraging alexa deep learning engine and voice and text-based nlu applications requiring automatic speech recognition are not what Zendesk Chat is typically brought in for.
What can Amazon Lex do that Zendesk Chat cannot?
Amazon Lex covers Speech recognition, Natural language understanding, Voice and text, Lambda integration. Zendesk Chat covers Web messaging, Mobile messaging, Chatbots, Proactive chat. Both handle Web support.
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Related pages

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