Casey the Help Agent vs Sierra
| Casey the Help Agent | Sierra | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | $2/mo | — |
| Open source | No | No |
| Platforms | Android, iOS, Web | Web |
| Free plan | No | No |
| Supported channels | voice, web, portals, SMS, WhatsApp | web chat, mobile app, WhatsApp, Apple Business Chat, SMS, email, voice, ChatGPT |
| Workflow actions | Yes | Yes |
| Human handoff | Yes | Yes |
| Voice support | Yes | Yes |
| Multilingual support | Yes | Yes |
| API access | — | Yes |
Both are listed in Best AI Customer Service Agents. On Samsung Mobile US Press, Casey the Help Agent scores higher on our published basis.