Side by side
CloudTalk AI Voice Agent vs OPBX
Both stand on business phone systems. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidAPIiPhone+4
CloudTalk pairs automated call handling with escalation to human agents and a range of integrations. The listed US plans specify included minutes, so teams should consider call volume when choosing an option.
Visit CloudTalk AI Voice Agent Free plan APILinuxSelf-hosted+1
OPBX combines PBX routing, outbound campaigns, tenant isolation, and AI call distribution in an open-source platform. Its Cloudonix dependency and deployment requirements should be considered during setup.
Visit OPBXThe facts
| CloudTalk AI Voice Agent | OPBX | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, API, iPhone, Linux, Mac, Web, Windows | API, Linux, Self-hosted, Web |
| Lowest paid plan | See the plans | Not published |
| Plans published | 7 | None |
| Maker | CloudTalk AI Voice Agent | Not published |
| Website | cloudtalk.io | developers.cloudonix.com |
| On business phone systems | #26 of 167 | #30 of 167 |
CloudTalk AI Voice Agent: what it does well
- Inbound and outbound calling with human handoff
- AI Receptionist understands 70+ languages and accents
- AI Specialist includes multi-step issue resolution
- 24/7 chat and email support in all plans
- Browser, desktop and mobile access
What to know first
- US AI Receptionist plan includes 200 minutes
- US AI Specialist plan includes 1,000 minutes
- API access starts on Essential and above
OPBX: what it does well
- Supports isolated multi-tenant organizations
- Includes AI call distribution and failover
- Auto dialer offers campaigns and monitoring
- Provides role-based access controls
- Free and open source
What to know first
- VoIP and SIP services depend on Cloudonix CPaaS
- Auto Dialer is limited to Owners and PBX Admins
- Minimum deployment requirements include 4 GB RAM
- Requires Docker Compose for recommended deployment
Alternatives to CloudTalk AI Voice Agent Alternatives to OPBX The whole list