kitio.aiRasa vs Millis AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Rasa starts at See pricing page and Millis AI starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- CALM dialogue engine
- Business logic flows
- No-code studio
- On-premise deployment
- Testing tools
- Voice agents from a prompt or code
- Phone numbers in 100+ countries
- Inbound and outbound calls
- Webhook integrations
- Choice of LLM and voice providers
| Feature | Rasa | Millis AI |
|---|---|---|
| Best for | Conversational AI platform for building controllable chat and voice agents | Platform for building low-latency voice agents |
| Category | Agents & automation | Agents & automation |
| Pricing model | Freemium | Paid |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | No |
| Made by | Rasa | Millis AI |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Rasa starts at See pricing page and Millis AI starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Developer
Free
- One bot per company
- Up to 1,000 external conversations/mo
- Community forum support
Enterprise
Contact sales
- Full Rasa Platform access
- Premium support
- Enterprise security features
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Rasa
- Predictable, testable assistants
- Self-hosting for data control
- Long open-source history
- Needs developers to set up
- Enterprise pricing via sales
Millis AI
- Low-latency conversations
- Bring your own LLM at no model fee
- No-code and code options
- Usage billing mixes platform and provider fees
- Total cost per minute is hard to predict
Which one should you choose?
Choose Rasa if you want:
- Predictable, testable assistants
- Self-hosting for data control
- Long open-source history
Watch out: needs developers to set up.
Choose Millis AI if you want:
- Low-latency conversations
- Bring your own LLM at no model fee
- No-code and code options
Watch out: usage billing mixes platform and provider fees.
Rasa vs Millis AI FAQ
What is the difference between Rasa and Millis AI?
Rasa: Conversational AI platform for building controllable chat and voice agents. Millis AI: Platform for building low-latency voice agents. Both are agents & automation tools.
Is Rasa or Millis AI cheaper?
Rasa starts at See pricing page and Millis AI starts at See pricing page. Check both pricing pages for current plans.
Do Rasa and Millis AI have free plans?
Rasa: Yes. Millis AI: No.
Who makes Rasa?
Rasa is made by Rasa.
Who makes Millis AI?
Millis AI is made by Millis AI.
Which should I choose, Rasa or Millis AI?
Choose Rasa if you value predictable, testable assistants and self-hosting for data control. Choose Millis AI if you value low-latency conversations and bring your own llm at no model fee.