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Amazon Lex vs Bold360

Amazon Lex logo

Amazon Lex

Live Chat

AWS conversational AI service

From
Free
Rated
-
Full reviewWebsite
B

Bold360

Live Chat

AI-powered customer engagement and service platform

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Amazon Lex has a free tier, so it costs nothing to try first.
  • 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); Bold360 bold360 as a standalone product is discontinued: the vendor's own domain bold360.com now 302-redirects (captured 8 January 2024) to genesys.com/capabilities/live-chat-software, and the live domain no longer resolves at all.
  • They diverge on capability: Amazon Lex covers Speech recognition, Bold360 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 Bold360 actually diverge.

Attributes where Amazon Lex and Bold360 differ
AttributeAmazon LexBold360
Starting priceFreeOn request
Pricing modelusage-basedsubscription
Free tierYesNo
PlatformsWeb, AWS CloudWeb, Mobile app, IOS, Android
Founded20062005

Identical on both: 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 Bold360

  • Live chat messaging
  • AI chatbots
  • Email support
  • Knowledge base
  • Salesforce
  • IBM Watson
  • API
  • Webhooks

Both cover

  • Web support

What people use each for

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

Amazon Lex

  • Chatbot developmentnot Bold360
  • Voice-based conversational AInot Bold360
  • Natural language understandingnot Bold360

Bold360

  • 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

Bold360

  • Bold360 as a standalone product is discontinued: the vendor's own domain bold360.com now 302-redirects (captured 8 January 2024) to genesys.com/capabilities/live-chat-software, and the live domain no longer resolves at all.

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

Bold360

On request
  • Starter$75/month
    • Live chat
    • Basic AI
    • Chatbot
  • Professional$150/month
    • Advanced AI
    • Omnichannel
  • Enterprise$undefined/month
    • Custom solutions
    • Dedicated 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 Bold360 if

  • You need live chat messaging.
  • You work on Web, Mobile app, IOS, Android.
  • You also want ai chatbots.
Bold360 review

Questions people ask

Is Amazon Lex or Bold360 better?
Neither clearly leads. Amazon Lex starts at Free and Bold360 at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amazon Lex or Bold360?
Amazon Lex has a free tier; the other does not. Paid plans start at Free for Amazon Lex and On request for Bold360.
Does Amazon Lex or Bold360 run on more platforms?
Amazon Lex runs on Web, AWS Cloud. Bold360 runs on Web, Mobile app, IOS, Android.
Can I use Amazon Lex for free?
Yes. Amazon Lex has a free tier, so you can try it without paying. Bold360 starts at On request.
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 Bold360 is typically brought in for.
What can Amazon Lex do that Bold360 cannot?
Amazon Lex covers Speech recognition, Natural language understanding, Voice and text, Lambda integration. Bold360 covers Live chat messaging, AI chatbots, Email support, Knowledge base. 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
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
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