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Live Chat & Chatbots · head to head

Amazon Lex vs Kore.ai

Amazon Lex logo

Amazon Lex

Live Chat & Chatbots

AWS conversational AI service

From
$0.00075/per text request
Rated
-
Full reviewWebsite
Kore.ai logo

Kore.ai

Live Chat & Chatbots

Enterprise conversational AI platform

From
On request
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); Kore.ai the Internet Archive's capture of Kore.ai's site on 17 June 2020 confirmed its named products, Kora (Enterprise Virtual Assistant) and Deflect.ai (Digital Deflection Platform), are sold to enterprise buyers across banking, insurance, healthcare and retail with no published price list and a dedicated pricing path that itself 404s.
  • They diverge on capability: Amazon Lex covers Speech recognition, Kore.ai covers Conversational AI.

Where they differ

Only the attributes on which Amazon Lex and Kore.ai actually diverge.

Attributes where Amazon Lex and Kore.ai differ
AttributeAmazon LexKore.ai
Starting price$0.00075/per text requestOn request
Pricing modelusage-basedsubscription
PlatformsWeb, AWS CloudWeb, Mobile, Messaging, Voice, IVR
Founded20062014

Identical on both: free tier (No), user rating (Not yet rated), category (Live Chat & Chatbots).

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 Kore.ai

  • Conversational AI
  • Advanced NLU
  • Workflow automation
  • Multi-language
  • Salesforce
  • SAP
  • Oracle
  • API

Both cover

  • Web support
  • Mobile 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 Kore.ai
  • Voice and text-based NLU applications requiring automatic speech recognitionnot Kore.ai
  • Custom conversational interfaces integrated into existing applicationsnot Kore.ai

Kore.ai

  • Customer engagementnot Amazon Lex
  • Lead generationnot Amazon Lex
  • Customer supportnot Amazon Lex
  • Sales automationnot 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

Kore.ai

  • The Internet Archive's capture of Kore.ai's site on 17 June 2020 confirmed its named products, Kora (Enterprise Virtual Assistant) and Deflect.ai (Digital Deflection Platform), are sold to enterprise buyers across banking, insurance, healthcare and retail with no published price list and a dedicated pricing path that itself 404s.

Pricing, plan by plan

Amazon Lex

$0.00075/per text request

No published plan breakdown. See the Amazon Lex review.

Kore.ai

On request
  • Professional$200/month
    • AI chatbot
    • Basic NLU
  • Enterprise$500/month
    • Advanced NLU
    • Custom integrations
  • Custom$undefined/month
    • Unlimited features
    • Dedicated support

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 Kore.ai if

  • You need conversational ai.
  • You work on Web, Mobile, Messaging, Voice, IVR.
  • You also want advanced nlu.
Kore.ai review

Questions people ask

Is Amazon Lex or Kore.ai better?
Neither clearly leads. Amazon Lex starts at $0.00075/per text request and Kore.ai at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amazon Lex or Kore.ai?
Amazon Lex starts at $0.00075/per text request and Kore.ai at On request.
Does Amazon Lex or Kore.ai run on more platforms?
Amazon Lex runs on Web, AWS Cloud. Kore.ai runs on Web, Mobile, Messaging, Voice, IVR.
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 Kore.ai is typically brought in for.
What can Amazon Lex do that Kore.ai cannot?
Amazon Lex covers Speech recognition, Natural language understanding, Voice and text, Lambda integration. Kore.ai covers Conversational AI, Advanced NLU, Workflow automation, Multi-language. Both handle Web support, Mobile support.
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