AI21 Labs vs Claude vs Apollo.io vs ZoomInfo
| Attribute | ||||
|---|---|---|---|---|
| Category | AI & Automation | AI Agents & Assistants | Sales Intelligence & Lead Generation | Sales Intelligence & Lead Generation |
| Pricing | Free tier | Free tier | Free tier | Paid |
| Starting price | — | $20/month | $49/month | — |
| Free tier | Yes | Yes | Yes | No |
| Free trial | Yes | No | Unknown | Yes |
| Deployment | — | Cloud | — | Cloud |
| API available | Unknown | Unknown | Yes | Yes |
| Platforms | — | ios, android, macos | — | — |
| Certifications | — | — | 3 | 2 |
| Integrations | — | 2 | — | — |
| Company | Founded 2017 | — | Founded 2015 | Founded 2007 |
| Feature attributes | ||||
| Sso Saml | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Rbac | — Unknown | — Unknown | — Unknown | — Unknown |
| Mobile App | — Unknown | — Unknown | — Unknown | — Unknown |
| Webhooks | — Unknown | — Unknown | — Unknown | — Unknown |
| Data Export | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Contact Database Size | — Unknown | — Unknown | — Unknown | — Unknown |
| Email Finder | — Unknown | — Unknown | ✓ Yes | ✓ Yes |
| Phone Numbers | — Unknown | — Unknown | ✓ Yes | ✓ Yes |
| Intent Data | — Unknown | — Unknown | ✓ Yes | ✓ Yes |
| Chrome Extension | — Unknown | — Unknown | ✓ Yes | ✓ Yes |
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.