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Amazon Lex vs Comm100

Amazon Lex logo

Amazon Lex

Live Chat

AWS conversational AI service

From
Free
Rated
-
Full reviewWebsite
Comm100 logo

Comm100

Live Chat

Enterprise omnichannel customer engagement

From
$29/month
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); Comm100 screen sharing, agent shift management and custom reporting are excluded from both published plans and require the unpriced Ultra tier
  • They diverge on capability: Amazon Lex covers Speech recognition, Comm100 covers Live chat.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Amazon Lex and Comm100 actually diverge.

Attributes where Amazon Lex and Comm100 differ
AttributeAmazon LexComm100
Starting priceFree$29/month
Pricing modelusage-basedsubscription
Free tierYesNo
PlatformsWeb, AWS CloudWeb, Ios, Android
Founded20062009

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 Comm100

  • Live chat
  • Chatbots
  • Ticketing
  • Knowledge base
  • Audio/video chat
  • Social messaging
  • Salesforce
  • Zendesk

Both cover

  • Web support

What people use each for

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

Amazon Lex

  • Chatbot developmentnot Comm100
  • Voice-based conversational AInot Comm100
  • Natural language understandingnot Comm100

Comm100

  • Live chat and messaging support with agent routingnot Amazon Lex
  • Running chat campaigns and AI assisted support on a websitenot 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

Comm100

  • Screen sharing, agent shift management and custom reporting are excluded from both published plans and require the unpriced Ultra tier
  • The Startup plan at $39 per agent per month excludes chat routing and audio video chat
  • Every AI product is a separate add on quoted by sales rather than included in a plan
  • Pricing is per agent, so cost scales with headcount rather than conversation volume

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

Comm100

$29/month
  • Team$29/month
    • Live chat
    • Basic routing
    • Reports
  • Business$59/month
    • Omnichannel
    • AI chatbot
    • Custom fields
  • Enterprise$undefined/month
    • On-premise option
    • Advanced security
    • Custom SLA

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 Comm100 if

  • You need live chat.
  • You work on Web, Ios, Android.
  • You also want chatbots.
Comm100 review

Questions people ask

Is Amazon Lex or Comm100 better?
Neither clearly leads. Amazon Lex starts at Free and Comm100 at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amazon Lex or Comm100?
Amazon Lex has a free tier; the other does not. Paid plans start at Free for Amazon Lex and $29/month for Comm100.
Does Amazon Lex or Comm100 run on more platforms?
Amazon Lex runs on Web, AWS Cloud. Comm100 runs on Web, Ios, Android.
Can I use Amazon Lex for free?
Yes. Amazon Lex has a free tier, so you can try it without paying. Comm100 starts at $29/month.
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 Comm100 is typically brought in for.
What can Amazon Lex do that Comm100 cannot?
Amazon Lex covers Speech recognition, Natural language understanding, Voice and text, Lambda integration. Comm100 covers Live chat, Chatbots, Ticketing, 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
Comm100: How much does Comm100 cost?

Comm100 does not publish specific pricing. The vendor uses a flexible, usage-based pricing model where you pay only for what you use with no hidden fees. Customers must contact sales to request a customized quote based on their channel selection and usage.

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
Comm100: What is Comm100's pricing model?

Comm100 offers flexible, usage-based pricing. You choose the communication channels and tools that work best for your needs and pay accordingly. No public pricing tiers are available; quotes are customized per customer.

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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