AI21 Labs vs Claude vs Cal.com vs ChatGPT
| Attribute | ||||
|---|---|---|---|---|
| Category | AI & Automation | AI Agents & Assistants | Events, Scheduling & Booking | AI & Automation |
| Pricing | Free tier | Free tier | Free tier | Free tier |
| Starting price | — | $20/month | $15 | $8/month |
| Free tier | Yes | Yes | Yes | Yes |
| Free trial | Yes | No | Yes | No |
| Deployment | — | Cloud | Hybrid | — |
| API available | Unknown | Unknown | Yes | Yes |
| Platforms | — | ios, android, macos | — | — |
| Certifications | — | — | 3 | — |
| Integrations | — | 2 | 6 | — |
| Company | Founded 2017 | — | — | Founded 2015 |
| Feature attributes | ||||
| Sso Saml | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Rbac | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Mobile App | — Unknown | — Unknown | — Unknown | — Unknown |
| Webhooks | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Data Export | — Unknown | — Unknown | — Unknown | — Unknown |
| Calendar Integrations | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Group Scheduling | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Payment Collection | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Routing Forms | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Self Hosting | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Prebuilt Integrations | — Unknown | — Unknown | — Unknown | — Unknown |
| Visual Workflow Builder | — Unknown | — Unknown | — Unknown | — Unknown |
| Code Steps | — Unknown | — Unknown | — Unknown | — Unknown |
| Llm Access | — Unknown | — Unknown | — Unknown | ✓ Yes |
| Ai Agents | — Unknown | — Unknown | — Unknown | — Unknown |
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.