Live Chat · head to head
Capacity vs Rasa
Capacity
Live Chat
AI-powered customer service automation 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: Capacity two-part pricing, an annual platform fee plus usage, so the bill is not knowable from the tier alone; Rasa free Developer Edition caps conversations at 1,000 external or 100 internal per company per month
- They diverge on capability: Capacity covers AI chatbot, Rasa covers NLU engine.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Capacity and Rasa actually diverge.
Identical on both: user rating (Not yet rated), category (Live Chat), founded (2016).
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 Capacity
- AI chatbot
- Knowledge management
- Multi-channel support
- Analytics
- Salesforce
- Zendesk
- ServiceNow
- Web support
Only in Rasa
- NLU engine
- Dialogue management
- Multi-language support
- Testing tools
- Teams
- Custom channels
- API
- On-premise support
Both cover
- Slack
What people use each for
The jobs each tool is most often brought in to do.
Capacity
- Knowledge base and helpdesk deflectionnot Rasa
- AI agents answering across chat, voice, email and SMSnot Rasa
- Real-time assistance for human agents on a callnot Rasa
- Automating multi-step support workflowsnot Rasa
- Regulated support environments needing the HIPAA packagenot Rasa
Rasa
- Developers self-hosting an open source conversational AI framework before needing enterprise scalenot Capacity
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Capacity
- Two-part pricing, an annual platform fee plus usage, so the bill is not knowable from the tier alone
- AI usage is metered by channel: per response on chat and email, per minute on voice and per message on SMS
- Agent Assist and conversation intelligence are charged per hour of agent time on top
- Live chat, agent assist and conversation intelligence require the Pro tier
- The HIPAA package and advanced workflows are Enterprise only
- No prices are published for any tier
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
Capacity
On request- Starter$125/month
- AI chatbot
- Up to 50 articles
- Professional$300/month
- Unlimited articles
- Advanced AI
- Enterprise$undefined/month
- Full customization
- Dedicated support
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
Which should you pick?
Choose Capacity if
- You need ai chatbot.
- You work on Web, Mobile, Chat widgets, API.
- You also want knowledge management.
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.
Questions people ask
- Is Capacity or Rasa better?
- Neither clearly leads. Capacity starts at On request and Rasa at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Capacity or Rasa?
- Rasa has a free tier; the other does not. Paid plans start at On request for Capacity and Free for Rasa.
- Does Capacity or Rasa run on more platforms?
- Capacity runs on Web, Mobile, Chat widgets, API. Rasa runs on On-premise, Cloud deployment, Docker, Kubernetes.
- Can I use Rasa for free?
- Yes. Rasa has a free tier, so you can try it without paying. Capacity starts at On request.
- What is Capacity best used for?
- Capacity is most often used for knowledge base and helpdesk deflection, ai agents answering across chat, voice, email and sms, real-time assistance for human agents on a call, automating multi-step support workflows. Of those, knowledge base and helpdesk deflection and ai agents answering across chat, voice, email and sms are not what Rasa is typically brought in for.
- What can Capacity do that Rasa cannot?
- Capacity covers AI chatbot, Knowledge management, Multi-channel support, Analytics. Rasa covers NLU engine, Dialogue management, Multi-language support, Testing tools. Both handle Slack.
Answered from the vendors’ own pages
Capacity: How much does Capacity cost?
Capacity does not publish pricing on their website. The company uses a tiered platform model with usage-based add-ons, stating customers pay a platform fee plus usage-based pricing for AI Agents. Interested customers must contact their sales team or use the ROI calculator for custom quotes.
SourceRasa: 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.
SourceCapacity: What is Capacity's pricing model?
Capacity charges a platform fee for three tiers (Core, Pro, Enterprise) plus usage-based fees for Chat Agents (per response), Voice Agents (per minute), Email Agents (per response), SMS Agents (per message), and Agent Assist features (per hour of agent time).
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.
SourceCapacity: What are Capacity's available tiers?
Capacity offers Core tier (essential tools to launch AI support), Pro tier (most popular, with live chat and conversation intelligence), and Enterprise tier (full suite with advanced compliance, HIPAA compliance available). Pricing requires contacting sales.
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.
SourceRelated pages
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