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IBM Watson Assistant vs Rasa

IBM Watson Assistant logo

IBM Watson Assistant

Software

IBM's enterprise AI platform for conversational experiences

From
Free
Rated
-
Full reviewWebsite
Rasa logo

Rasa

Software

Open-source framework for building conversational AI

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: IBM Watson Assistant listed on UK G-Cloud 14 at £112 per instance per month, submitted directly by IBM United Kingdom Limited for IBM watsonx Assistant; Rasa free Developer Edition caps conversations at 1,000 external or 100 internal per company per month
  • They diverge on capability: IBM Watson Assistant covers Integration with Watson services, Rasa covers Multi-language support.

Where they differ

Only the attributes on which IBM Watson Assistant and Rasa actually diverge.

Attributes where IBM Watson Assistant and Rasa differ
AttributeIBM Watson AssistantRasa
Pricing modelsubscriptionopen-source
PlatformsWeb, Mobile, Messaging, Voice, Contact centersOn-premise, Cloud deployment, Docker, Kubernetes
Founded19112016

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

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 IBM Watson Assistant

  • Integration with Watson services
  • Multi-language
  • Salesforce
  • SAP
  • Web support
  • Mobile support
  • Messaging support
  • Voice support

Only in Rasa

  • Multi-language support
  • Testing tools
  • Custom channels
  • API
  • On-premise support
  • Cloud deployment support
  • Docker support
  • Kubernetes support

Both cover

  • NLU engine
  • Dialogue management
  • Slack
  • Teams

What people use each for

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

IBM Watson Assistant

  • Customer engagementnot Rasa
  • Lead generationnot Rasa
  • Customer supportnot Rasa
  • Sales automationnot Rasa

Rasa

  • Developers self-hosting an open source conversational AI framework before needing enterprise scalenot IBM Watson Assistant

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

IBM Watson Assistant

  • Listed on UK G-Cloud 14 at £112 per instance per month, submitted directly by IBM United Kingdom Limited for IBM watsonx Assistant

Rasa

  • Free Developer Edition caps conversations at 1,000 external or 100 internal per company per month
  • Rasa Pro and the Business Plan (Pro plus Studio) are not priced on the site and require contacting sales

Pricing, plan by plan

IBM Watson Assistant

Free
  • FreeFree
    • Basic chatbot
    • Limited interactions
  • Plus$140/month
    • Unlimited interactions
    • Advanced features
  • Enterprise$undefined/month
    • Full customization
    • Dedicated support

Rasa

Free
  • Open SourceFree
    • Full framework access
    • Community support
  • Rasa Pro$50/month
    • Additional tools
    • Priority support
  • Enterprise$undefined/month
    • Advanced features
    • Dedicated support

Which should you pick?

Choose IBM Watson Assistant if

  • You need integration with watson services.
  • You want to start without paying.
  • You work on Web, Mobile, Messaging, Voice, Contact centers.
  • You also want multi-language.
IBM Watson Assistant review

Choose Rasa if

  • You need multi-language support.
  • You want to start without paying.
  • You work on On-premise, Cloud deployment, Docker, Kubernetes.
  • You also want testing tools.
Rasa review

Questions people ask

Is IBM Watson Assistant or Rasa better?
Neither clearly leads. IBM Watson Assistant starts at Free and Rasa at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, IBM Watson Assistant or Rasa?
IBM Watson Assistant starts at Free and Rasa at Free.
Does IBM Watson Assistant or Rasa run on more platforms?
IBM Watson Assistant runs on Web, Mobile, Messaging, Voice, Contact centers. Rasa runs on On-premise, Cloud deployment, Docker, Kubernetes.
Can I use IBM Watson Assistant for free?
Both have a free tier, so you can try either at no cost before committing.
What is IBM Watson Assistant best used for?
IBM Watson Assistant is most often used for customer engagement, lead generation, customer support, sales automation. Of those, customer engagement and lead generation are not what Rasa is typically brought in for.
What can IBM Watson Assistant do that Rasa cannot?
IBM Watson Assistant covers Integration with Watson services, Multi-language, Salesforce, SAP. Rasa covers Multi-language support, Testing tools, Custom channels, API. Both handle NLU engine, Dialogue management, Slack, Teams.
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