Live Chat · head to head
Rasa vs Zendesk Chat
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 Chat enterprise plan requires custom pricing quote
- They diverge on capability: Rasa covers NLU engine, Zendesk Chat covers Web messaging.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Rasa and Zendesk Chat actually diverge.
| Attribute | Rasa | Zendesk Chat |
|---|---|---|
| Starting price | Free | $19/month |
| Pricing model | freemium | subscription |
| Free tier | Yes | No |
| Platforms | On-premise, Cloud deployment, Docker, Kubernetes | Web, Ios, Android |
| Founded | 2016 | 2007 |
Identical on both: user rating (Not yet rated), category (Live Chat).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Rasa
- NLU engine
- Dialogue management
- Multi-language support
- Testing tools
- Slack
- Teams
- Custom channels
- API
Only in Zendesk Chat
- Web messaging
- Mobile messaging
- Chatbots
- Proactive chat
- Analytics
- Triggers
- Zendesk Support
- Salesforce
What people use each for
The jobs each tool is most often brought in to do.
Rasa
- Developers self-hosting an open source conversational AI framework before needing enterprise scalenot Zendesk Chat
Zendesk Chat
- Customer support team managementnot Rasa
- Multi-channel messagingnot Rasa
- AI-powered contact centersnot Rasa
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Rasa
- Free Developer Edition caps conversations at 1,000 external or 100 internal per company per month
- Rasa Pro and the Business Plan (Pro plus Studio) are not priced on the site and require contacting sales
Zendesk Chat
- Enterprise plan requires custom pricing quote
- AI agent usage beyond plan allowance billed separately
Pricing, plan by plan
Rasa
Free- Free Developer EditionFree
- One bot per company
- Up to 1,000 external conversations per month or 100 internal conversations per month
- Free Rasa license for local or production use
- Rasa Pro$undefined/mo
- Pro-code framework with CALM dialogue understanding
- Language-agnostic NLU, enterprise search, multi-LLM management
- Kubernetes support
- Enterprise$undefined/mo
- Full access to Rasa Platform and Premium Support
- 24/7/365 support with Customer Success Manager
- Business reviews and guidance
Zendesk Chat
$19/month- Support Team$19/month
- Email ticketing
- Routing and analytics
- Pre-written responses
- Suite Team$55/month
- All Support features
- AI Agents
- Knowledge Base
- Suite Professional$115/month
- Suite Team features
- Admin Copilot
- App Builder
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 Chat if
- You need web messaging.
- You work on Web, Ios, Android.
- You also want mobile messaging.
Questions people ask
- Is Rasa or Zendesk Chat better?
- Neither clearly leads. Rasa starts at Free and Zendesk Chat at $19/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Rasa or Zendesk Chat?
- Rasa has a free tier; the other does not. Paid plans start at Free for Rasa and $19/month for Zendesk Chat.
- Does Rasa or Zendesk Chat run on more platforms?
- Rasa runs on On-premise, Cloud deployment, Docker, Kubernetes. Zendesk Chat 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 Chat starts at $19/month.
- 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 Chat is typically brought in for.
- What can Rasa do that Zendesk Chat cannot?
- Rasa covers NLU engine, Dialogue management, Multi-language support, Testing tools. Zendesk Chat covers Web messaging, Mobile messaging, Chatbots, Proactive chat.
Answered from the vendors’ own pages
Rasa: Does Rasa offer a free version?
Yes. Rasa offers a free Developer Edition with one bot per company, up to 1,000 external conversations per month, and free community support.
SourceZendesk Chat: Can Messaging be used for live, session-based conversations or asynchronous chats?
Both. Messaging supports real-time sessions for fast help as well as ongoing asynchronous conversations, so customers can chat at their own pace and agents stay flexible.
SourceRasa: What support is included with Rasa's free tier?
The free tier includes community forum support with responses from Rasa community members. Paid tiers add premium support with enhanced response times.
SourceZendesk Chat: Do agents need a separate tool or tab to use Messaging?
No. Messaging is built right into the Zendesk Agent Workspace, so agents can manage conversations seamlessly without switching tools or tabs.
SourceRasa: What is the difference between Rasa Pro and Enterprise?
Rasa Pro includes the pro-code framework with advanced NLU and multi-LLM management. Enterprise adds full platform access, 24/7 support, dedicated Customer Success Manager, and business reviews.
SourceZendesk Chat: How do I know if my AI agents are handling my tickets effectively?
Zendesk QA automatically reviews all conversations, enabling performance tracking and continuous improvement of AI and agent support.
SourceZendesk Chat: Once I build an AI agent, can I deploy it across more than one social channel?
Yes. Build your AI Agent once and deploy it to web, mobile, and social messaging channels like WhatsApp, Facebook, and more.
SourceZendesk Chat: Why should I switch from legacy live chat to Messaging?
Messaging enables users to replicate and enhance live chat experiences by leveraging AI agents and omnichannel routing capabilities.
SourceZendesk Chat: Can I build something custom or go beyond the out-of-the-box experience?
Absolutely. With access to the Zendesk messaging platform, you can create fully custom experiences that fit your unique business needs.
SourceRelated pages
More on Zendesk Chat
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