Live Chat & Chatbots · head to head
Amazon Lex vs Userpilot

Amazon Lex
Live Chat & Chatbots
AWS conversational AI service
- From
- $0.00075/per text request
- Rated
- -
The short version
- Only Userpilot 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); Userpilot starter tier limited to 2,000 monthly active users; even small-to-medium products may require Growth tier
Where they differ
Only the attributes on which Amazon Lex and Userpilot actually diverge.
| Attribute | Amazon Lex | Userpilot |
|---|---|---|
| Starting price | $0.00075/per text request | Free |
| Pricing model | usage-based | subscription |
| Free tier | No | Yes |
| Platforms | Web, AWS Cloud | Web, iOS, Android, API |
| Category | Live Chat & Chatbots | SaaS |
| Founded | 2006 | Unknown |
Identical on both: 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 Userpilot
Nothing recorded that Amazon Lex does not also cover.
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 Userpilot
- Voice and text-based NLU applications requiring automatic speech recognitionnot Userpilot
- Custom conversational interfaces integrated into existing applicationsnot Userpilot
Userpilot
- SaaS companies optimising user onboarding and activationnot Amazon Lex
- Product teams collecting user feedback and identifying churn drivers via session replaynot Amazon Lex
- Customer success teams using in-app guides and contextual helpnot Amazon Lex
- Growth teams orchestrating multi-channel campaigns across email and in-appnot Amazon Lex
- Product managers measuring adoption and engagement across user cohortsnot 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
Userpilot
- Starter tier limited to 2,000 monthly active users; even small-to-medium products may require Growth tier
- Large price jump from Starter ($299/mo) to Growth ($849/mo), nearly 3x increase
- Growth tier scales to 100,000 MAU but does not publish pricing for higher volumes, requiring Enterprise negotiation
- Session replay and mobile engagement are optional add-ons in Growth tier, not included in base pricing
- Enterprise pricing not published; custom negotiations required for large-scale deployments
Pricing, plan by plan
Amazon Lex
$0.00075/per text requestNo published plan breakdown. See the Amazon Lex review.
Userpilot
Free- Starter$299/month
- Up to 2,000 monthly active users
- In-app engagement
- User segmentation
- Growth$849/month (marked 'Most Popular')
- 2,000 to 100,000 monthly active users
- All Starter features
- Advanced product analytics
- Enterprise$undefined/variable
- Custom monthly active user levels
- All Growth features
- Premium integrations
Which should you pick?
Choose Amazon Lex if
- You need speech recognition.
- You work on Web, AWS Cloud.
- You also want natural language understanding.
Choose Userpilot if
- You want to start without paying.
- You work on Web, iOS, Android, API.
Questions people ask
- Is Amazon Lex or Userpilot better?
- Neither clearly leads. Amazon Lex starts at $0.00075/per text request and Userpilot at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Amazon Lex or Userpilot?
- Userpilot has a free tier; the other does not. Paid plans start at $0.00075/per text request for Amazon Lex and Free for Userpilot.
- Does Amazon Lex or Userpilot run on more platforms?
- Amazon Lex runs on Web, AWS Cloud. Userpilot runs on Web, iOS, Android, API.
- Can I use Userpilot for free?
- Yes. Userpilot has a free tier, so you can try it without paying. Amazon Lex starts at $0.00075/per text request.
- 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 Userpilot is typically brought in for.
- What can Amazon Lex do that Userpilot cannot?
- Amazon Lex covers Speech recognition, Natural language understanding, Voice and text, Lambda integration.
Answered from the vendors’ own pages
Userpilot: What is included in the free trial?
Userpilot offers a free 14-day trial without requiring a credit card, providing full access to the Starter tier features.
SourceUserpilot: Does Userpilot include session replay?
Session replay is available in the Growth tier as an optional add-on for watching real user sessions and identifying friction points.
SourceUserpilot: What integrations does Userpilot support?
Userpilot integrates with HubSpot, Salesforce, Segment, Google Analytics, Amplitude, Mixpanel, Heap, Zendesk, Intercom and Google Tag Manager. Additional integrations can be requested.
SourceRelated pages
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