Softwr

Live Chat · head to head

Ada vs Amazon Lex

Ada logo

Ada

Live Chat

Conversational AI platform powered by machine learning

From
Free
Rated
-
Full reviewWebsite
Amazon Lex logo

Amazon Lex

Live Chat

AWS conversational AI service

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Ada no pricing disclosed on website; Amazon Lex pay-as-you-go model with no standard free tier, only AWS free credits for new customers (6 months, $200 limit)
  • They diverge on capability: Ada covers Conversational AI, Amazon Lex covers Speech recognition.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Ada and Amazon Lex differ
AttributeAdaAmazon Lex
Pricing modelsubscriptionusage-based
PlatformsWeb, Mobile, SMS, Messaging appsWeb, AWS Cloud
Founded20162006

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 Ada

  • Conversational AI
  • Automatic resolution
  • Multi-language support
  • Analytics
  • Salesforce
  • Zendesk
  • Slack
  • API

Only in Amazon Lex

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

Both cover

  • Web support
  • Mobile support

What people use each for

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

Ada

  • AI-powered customer service automationnot Amazon Lex
  • Chatbot deployment and managementnot Amazon Lex
  • Support ticket automation and resolutionnot Amazon Lex
  • Multi-channel customer communicationnot Amazon Lex

Amazon Lex

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

Where each one falls short

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

Ada

  • No pricing disclosed on website
  • Requires consultation with sales team to obtain quotes
  • No information on subscription tiers or licensing options

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

Pricing, plan by plan

Ada

Free
  • FreeFree
    • Basic chatbot
    • Single language
  • Growth$100/month
    • Advanced AI
    • Multi-language
  • Scale$undefined/month
    • Enterprise features
    • Dedicated support

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

Which should you pick?

Choose Ada if

  • You need conversational ai.
  • You want to start without paying.
  • You work on Web, Mobile, SMS, Messaging apps.
  • You also want automatic resolution.
Ada review

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

Questions people ask

Is Ada or Amazon Lex better?
Neither clearly leads. Ada starts at Free and Amazon Lex at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ada or Amazon Lex?
Ada starts at Free and Amazon Lex at Free.
Does Ada or Amazon Lex run on more platforms?
Ada runs on Web, Mobile, SMS, Messaging apps. Amazon Lex runs on Web, AWS Cloud.
Can I use Ada for free?
Both have a free tier, so you can try either at no cost before committing.
What is Ada best used for?
Ada is most often used for ai-powered customer service automation, chatbot deployment and management, support ticket automation and resolution, multi-channel customer communication. Of those, ai-powered customer service automation and chatbot deployment and management are not what Amazon Lex is typically brought in for.
What can Ada do that Amazon Lex cannot?
Ada covers Conversational AI, Automatic resolution, Multi-language support, Analytics. Amazon Lex covers Speech recognition, Natural language understanding, Voice and text, Lambda integration. Both handle Web support, Mobile support.

Answered from the vendors’ own pages

Ada: How is Ada's customer service AI platform priced?

Ada does not publish pricing on its website. To obtain pricing information and discuss your specific requirements, book a free consultation with Ada's AI customer service experts through their website.

Source
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
Ada: Does Ada offer a free trial?

Ada does not advertise a free trial on its pricing page. Interested prospects must contact the sales team directly or book a consultation to discuss trial options and pricing.

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
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
Share

Related pages

More on Ada

More on Amazon Lex

Keep looking

Other head to heads