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Amazon Lex vs Smartsupp

Amazon Lex logo

Amazon Lex

Live Chat

AWS conversational AI service

From
Free
Rated
-
Full reviewWebsite
Smartsupp logo

Smartsupp

Live Chat

Live chat with advanced visitor tracking and co-browsing

From
Free
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); Smartsupp free tier limited to 25 conversations per month and 14-day history
  • They diverge on capability: Amazon Lex covers Speech recognition, Smartsupp covers Live chat messaging.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Amazon Lex and Smartsupp actually diverge.

Attributes where Amazon Lex and Smartsupp differ
AttributeAmazon LexSmartsupp
Pricing modelusage-basedsubscription
PlatformsWeb, AWS CloudWeb, Mobile app, IOS, Android
Founded20062012

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Live Chat).

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 Smartsupp

  • Live chat messaging
  • Co-browsing
  • Visitor tracking
  • Heatmaps
  • Shopify
  • Zapier
  • Slack
  • API

Both cover

  • Web support

What people use each for

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

Amazon Lex

  • Chatbot developmentnot Smartsupp
  • Voice-based conversational AInot Smartsupp
  • Natural language understandingnot Smartsupp

Smartsupp

  • Small teams wanting a bundled live chat and low-volume AI agent starting under $20/monthnot 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

Smartsupp

  • Free tier limited to 25 conversations per month and 14-day history
  • Annual billing required for best pricing (up to 30% savings)
  • Operator limits scale with plan tier

Pricing, plan by plan

Amazon Lex

Free
  • Standard Usage$0.004/per speech request
    • Speech requests at $0.004 each
  • Text Requests$0.00075/per text request
    • Text requests at $0.00075 each

Smartsupp

Free
  • FreeFree
    • 1 operator
    • 25 conversations per month
    • 14-day conversation history
  • Solo$17/month
    • 1 operator
    • Unlimited conversations
    • All channels including email
  • Plus$25/month
    • 3 operators
    • Unlimited conversations
    • Automation workflows
  • Expert$83/month
    • 5+ operators
    • Unlimited conversations
    • Premium support

Which should you pick?

Choose Amazon Lex if

  • You need speech recognition.
  • You want to start without paying.
  • You work on Web, AWS Cloud.
  • You also want natural language understanding.
Amazon Lex review

Choose Smartsupp if

  • You need live chat messaging.
  • You want to start without paying.
  • You work on Web, Mobile app, IOS, Android.
  • You also want co-browsing.
Smartsupp review

Questions people ask

Is Amazon Lex or Smartsupp better?
Neither clearly leads. Amazon Lex starts at Free and Smartsupp at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amazon Lex or Smartsupp?
Amazon Lex starts at Free and Smartsupp at Free.
Does Amazon Lex or Smartsupp run on more platforms?
Amazon Lex runs on Web, AWS Cloud. Smartsupp runs on Web, Mobile app, IOS, Android.
Can I use Amazon Lex for free?
Both have a free tier, so you can try either at no cost before committing.
What is Amazon Lex best used for?
Amazon Lex is most often used for chatbot development, voice-based conversational ai, natural language understanding. Of those, chatbot development and voice-based conversational ai are not what Smartsupp is typically brought in for.
What can Amazon Lex do that Smartsupp cannot?
Amazon Lex covers Speech recognition, Natural language understanding, Voice and text, Lambda integration. Smartsupp covers Live chat messaging, Co-browsing, Visitor tracking, Heatmaps. Both handle Web support.

Answered from the vendors’ own pages

Amazon Lex: How much does Amazon Lex cost?

Amazon Lex charges $0.004 per speech request and $0.00075 per text request with no upfront commitments or minimum fees required.

Source
Smartsupp: How much does Smartsupp cost?

Smartsupp offers a free plan for up to 25 conversations monthly. Paid plans start at $17/month for Solo (annual: $204/year), $25/month for Plus, and $83/month for Expert. Enterprise plans start at $280/month with custom features and annual billing offers up to 30% savings.

Source
Amazon Lex: Is there a free tier for Amazon Lex?

Yes, new AWS customers receive 10,000 text requests and 5,000 speech requests per month free for the first year. Additional $200 in AWS Free Tier credits are available for new customers as of July 15, 2025, with all credits expiring within 12 months.

Source
Smartsupp: What is included in Smartsupp's free tier?

Smartsupp's free tier includes 1 operator, up to 25 conversations per month, 14-day conversation history, and basic channel support. All paid plans offer unlimited conversations and advanced features including AI-powered reply assists.

Source
Amazon Lex: What is the example monthly cost for Amazon Lex?

For 8,000 speech requests ($32) and 2,000 text requests ($1.50), the approximate monthly total is $33.50, though actual costs vary based on usage volume.

Source
Smartsupp: What payment options and currencies does Smartsupp support?

Smartsupp accepts monthly or annual billing with annual subscriptions providing up to 30% savings. The platform supports multiple currencies including CZK, EUR, USD, and PLN. A 14-day free trial is available for paid plans with no credit card required initially.

Source
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