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Amazon Lex vs Missive

Amazon Lex logo

Amazon Lex

Live Chat

AWS conversational AI service

From
Free
Free plan
Yes
Full reviewWebsite
Missive logo

Missive

Customer Support

Team inbox and chat for productive teams

From
Free
Free plan
Yes
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); Missive each plan caps users rather than only pricing them, at 5 on Starter and 50 on Productive
  • They diverge on capability: Amazon Lex covers Speech recognition, Missive covers Shared inbox.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Amazon Lex and Missive differ
AttributeAmazon LexMissive
Pricing modelusage-basedsubscription
PlatformsWeb, AWS CloudWeb, Ios, Android, Mac, Windows
CategoryLive ChatCustomer Support
Founded20062015

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

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 Missive

  • Shared inbox
  • Team chat
  • Email
  • Tasks
  • Calendar
  • WhatsApp
  • SMS
  • Asana

Both cover

  • Web support

What people use each for

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

Amazon Lex

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

Missive

  • Shared team inbox across email, SMS and social messagesnot Amazon Lex
  • Collaborating on customer conversations with internal comments and tasksnot 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

Missive

  • Each plan caps users rather than only pricing them, at 5 on Starter and 50 on Productive
  • Integrations, automation rules and API access all require the Productive plan at $24 per user per month
  • Rules are capped at 1,000 per workspace even on the paid tiers
  • SAML SSO and IP restriction are Business only at $36 per user per month
  • AI features need either Missive AI credits or a bring your own key arrangement rather than being included

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

Missive

Free
  • FreeFree
    • 3 users
    • Basic features
    • Email & chat
  • Starter$14/month
    • Unlimited users
    • Shared inboxes
    • Rules & automation
  • Productive$18/month
    • Starter + Calendars
    • WhatsApp
    • SMS
  • Business$26/month
    • Productive + API
    • SAML SSO
    • Priority 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 Missive if

  • You need shared inbox.
  • You want to start without paying.
  • You work on Web, Ios, Android, Mac, Windows.
  • You also want team chat.
Missive review

Questions people ask

Is Amazon Lex or Missive better?
Neither clearly leads. Amazon Lex starts at Free and Missive at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amazon Lex or Missive?
Amazon Lex starts at Free and Missive at Free.
Does Amazon Lex or Missive run on more platforms?
Amazon Lex runs on Web, AWS Cloud. Missive runs on Web, Ios, Android, Mac, Windows.
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 Missive is typically brought in for.
What can Amazon Lex do that Missive cannot?
Amazon Lex covers Speech recognition, Natural language understanding, Voice and text, Lambda integration. Missive covers Shared inbox, Team chat, Email, Tasks. 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
Missive: How much does Missive cost per month?

Missive charges $14/user/month for Starter (up to 5 users), $24/user/month for Productive (up to 50 users), and $36/user/month for Business (unlimited users).

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
Missive: Is there a free trial available?

Yes, Missive offers a 30-day free trial with no credit card required to start.

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
Missive: Does Missive offer yearly billing discounts?

Yes, Missive provides a 20% discount for yearly billing compared to monthly pricing on all plans.

Source
Missive: Which plan includes SSO authentication?

The Business Plan at $36/user/month includes SAML SSO, IP restriction, and advanced analytics features.

Source
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