Software · head to head
Rasa vs Zendesk Sunshine Conversations

Zendesk Sunshine Conversations
Software
Omnichannel messaging and customer engagement platform
- From
- On request
- Rated
- -
The short version
- Only Rasa has a free tier, so it costs nothing to try first.
- Each has a real cost: Rasa free Developer Edition caps conversations at 1,000 external or 100 internal per company per month; Zendesk Sunshine Conversations cannot be purchased standalone; requires expensive Zendesk Suite Professional or higher plans
- They diverge on capability: Rasa covers NLU engine, Zendesk Sunshine Conversations covers Live chat.
Where they differ
Only the attributes on which Rasa and Zendesk Sunshine Conversations actually diverge.
| Attribute | Rasa | Zendesk Sunshine Conversations |
|---|---|---|
| Starting price | Free | On request |
| Pricing model | open-source | subscription |
| Free tier | Yes | No |
| Platforms | On-premise, Cloud deployment, Docker, Kubernetes | Web, iOS, Android |
| Founded | 2016 | 2015 |
Identical on both: 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 Rasa
- NLU engine
- Dialogue management
- Multi-language support
- Testing tools
- Teams
- Custom channels
- On-premise support
- Cloud deployment support
Only in Zendesk Sunshine Conversations
- Live chat
- SMS messaging
- Facebook Messenger
- WhatsApp integration
- Salesforce
- Zendesk Support
- Web support
- Mobile app support
Both cover
- Slack
- API
What people use each for
The jobs each tool is most often brought in to do.
Rasa
- Developers self-hosting an open source conversational AI framework before needing enterprise scalenot Zendesk Sunshine Conversations
Zendesk Sunshine Conversations
- Customer engagementnot Rasa
- Lead generationnot Rasa
- Customer supportnot Rasa
- Sales automationnot Rasa
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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
Zendesk Sunshine Conversations
- Cannot be purchased standalone; requires expensive Zendesk Suite Professional or higher plans
- Low included monthly active users (1,000 MAU) and notifications (1,000) necessitate paid add-ons for most businesses
- Custom implementations require developer resources for webhooks and API configuration
Pricing, plan by plan
Rasa
Free- Open SourceFree
- Full framework access
- Community support
- Rasa Pro$50/month
- Additional tools
- Priority support
- Enterprise$undefined/month
- Advanced features
- Dedicated support
Zendesk Sunshine Conversations
On request- Team$19/month
- Chat + messaging
- Basic features
- Limited agents
- Growth$49/month
- Omnichannel
- Advanced automation
- Routing
- Professional$99/month
- All features
- Custom workflows
- Premium support
Which should you pick?
Choose Rasa if
- You need nlu engine.
- You want to start without paying.
- You work on On-premise, Cloud deployment, Docker, Kubernetes.
- You also want dialogue management.
Choose Zendesk Sunshine Conversations if
- You need live chat.
- You work on Web, iOS, Android.
- You also want sms messaging.
Questions people ask
- Is Rasa or Zendesk Sunshine Conversations better?
- Neither clearly leads. Rasa starts at Free and Zendesk Sunshine Conversations at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Rasa or Zendesk Sunshine Conversations?
- Rasa has a free tier; the other does not. Paid plans start at Free for Rasa and On request for Zendesk Sunshine Conversations.
- Does Rasa or Zendesk Sunshine Conversations run on more platforms?
- Rasa runs on On-premise, Cloud deployment, Docker, Kubernetes. Zendesk Sunshine Conversations runs on Web, iOS, Android.
- Can I use Rasa for free?
- Yes. Rasa has a free tier, so you can try it without paying. Zendesk Sunshine Conversations starts at On request.
- What is Rasa best used for?
- Rasa is most often used for developers self-hosting an open source conversational ai framework before needing enterprise scale. Of those, developers self-hosting an open source conversational ai framework before needing enterprise scale is not what Zendesk Sunshine Conversations is typically brought in for.
- What can Rasa do that Zendesk Sunshine Conversations cannot?
- Rasa covers NLU engine, Dialogue management, Multi-language support, Testing tools. Zendesk Sunshine Conversations covers Live chat, SMS messaging, Facebook Messenger, WhatsApp integration. Both handle Slack, API.
Answered from the vendors’ own pages
Zendesk Sunshine Conversations: Can I buy Zendesk Sunshine Conversations standalone?
No. Sunshine Conversations is only available with Zendesk Suite Professional, Enterprise, or Enterprise Plus plans. It cannot be purchased as a standalone product.
SourceZendesk Sunshine Conversations: What messaging channels does Sunshine Conversations support?
Sunshine Conversations connects 15+ messaging channels including WhatsApp, Facebook Messenger, Instagram, Telegram, SMS, and provides a Web Widget for on-site chat.
SourceZendesk Sunshine Conversations: What are the usage limits on Zendesk Sunshine Conversations?
The base includes 1,000 Monthly Active Users and 1,000 notifications per month. Additional usage requires $50 add-ons for each 2,500 MAU pack or $50 for each 25,000 notification pack.
SourceRelated pages
More on Zendesk Sunshine Conversations
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