Simple, predictable pricing.
Start free, scale as you grow. Every plan ships with the full RAG engine, embed widget, and multi-provider AI routing.
Free
Prototype an AI bot in minutes — no card required.
- 1 chatbot
- 1,000 messages / month
- Knowledge ingestion
- Embed widget (with knot.ai branding)
- Community support
Starter
For small businesses ready to go live with their own brand.
- 5 chatbots
- 10,000 messages / month
- Custom branding
- Domain whitelist
- Email support
Pro
Scale across teams, sites, and high-traffic channels.
- 25 chatbots
- 100,000 messages / month
- Bring-your-own LLM key
- Webhooks + advanced analytics
- Priority support
Enterprise
Custom limits, SSO, dedicated infra, and SLAs.
- Unlimited chatbots
- Custom message volume
- SSO / SAML
- Dedicated infra + region pinning
- Uptime SLA & dedicated CSM
Every feature, every plan.
The full breakdown — so you can pick what fits today, and know exactly what unlocks when you grow.
| Feature | Free | Starter | Pro | Enterprise |
|---|---|---|---|---|
| Volume | ||||
| Chatbots | 1 | 5 | 25 | Unlimited |
| Messages / month | 1,000 | 10,000 | 100,000 | Custom |
| Knowledge sources | 10 | 100 | 1,000 | Unlimited |
| Core platform | ||||
| RAG knowledgebase | ||||
| Streaming responses | ||||
| Embed widget | ||||
| Conversation history | 7 days | 30 days | 1 year | Custom |
| Customization | ||||
| Remove knot.ai branding | ||||
| Custom widget colors | ||||
| Domain whitelist | ||||
| Bring-your-own LLM key | ||||
| Analytics & API | ||||
| Analytics depth | Basic | Standard | Advanced | Custom |
| API access | Read-only | Full | Full | Full + webhooks |
| Webhooks | ||||
| Support & security | ||||
| Support channel | Community | Priority | Dedicated CSM | |
| SSO / SAML | ||||
| Audit logs | ||||
| Uptime SLA | ||||
Limits you can actually plan around.
No surprise overages. Every limit is enforced server-side and shown live inside your dashboard.
One inbound + outbound = one message. Streaming tokens are free.
PDF, URL, text, sitemap. Re-ingest anytime without changing IDs.
Stored for retrieval & analytics. Exportable as JSON or CSV.
Questions, answered.
Can't find what you need? The contact page goes straight to a human.
Ship your first bot today.
Free forever for prototyping. Upgrade the day you need volume.