Rasa vs Stammer.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 Stammer.ai starts at $49/mo. 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
- White-label dashboard
- Chat and voice agents
- Client billing
- Calendar booking
- CRM integrations
| Feature | Rasa | Stammer.ai |
|---|---|---|
| Best for | Conversational AI platform for building controllable chat and voice agents | White-label AI chat and voice agents for agencies |
| Category | Agents & automation | Agents & automation |
| Pricing model | Freemium | Free trial |
| Starting price | See pricing page | $49/mo |
| Free plan | Yes | No, 7-day trial |
| Made by | Rasa | Stammer.ai |
| Based in | – | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Rasa starts at See pricing page and Stammer.ai starts at $49/mo. 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
3 plans
Standard
$49/mo
- 500 AI replies / month
- 120 voice minutes / month
- 1+ chat and 1+ voice agent
- 7-day free trial
Pro (White Label)
$99/mo
- 5 chat + 5 voice agents
- Fully white labeled
- Resell AI usage
- 14-day free trial
Enterprise
Custom
- 1,000+ chat, 250+ voice agents
- Custom integrations and SSO
- Optional self hosting
- Dedicated support
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
Stammer.ai
- Built for agency resale
- Chat and voice in one product
- Client management tools
- Less useful for single businesses
- Voice minutes add cost
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 Stammer.ai if you want:
- Built for agency resale
- Chat and voice in one product
- Client management tools
Watch out: less useful for single businesses.
Rasa vs Stammer.ai FAQ
What is the difference between Rasa and Stammer.ai?
Rasa: Conversational AI platform for building controllable chat and voice agents. Stammer.ai: White-label AI chat and voice agents for agencies. Both are agents & automation tools.
Is Rasa or Stammer.ai cheaper?
Rasa starts at See pricing page and Stammer.ai starts at $49/mo. Check both pricing pages for current plans.
Do Rasa and Stammer.ai have free plans?
Rasa: Yes. Stammer.ai: No, 7-day trial.
Who makes Rasa?
Rasa is made by Rasa.
Who makes Stammer.ai?
Stammer.ai is made by Stammer.ai, based in United States.
Which should I choose, Rasa or Stammer.ai?
Choose Rasa if you value predictable, testable assistants and self-hosting for data control. Choose Stammer.ai if you value built for agency resale and chat and voice in one product.