AgentVoice vs Vapi

AgentVoice

AgentVoice has turned from a $0.10-per-minute self-serve platform into a done-for-you voice agency, so it now suits companies that want someone else to scope, build and tune their phone agents. Teams that want to sign up and build an agent themselves on a metered plan should go to Vapi or Retell directly, since every AgentVoice engagement starts with a sales call.

Pros

• +Platform licence is a one-time fee with no per-minute platform charge; usage is billed at provider cost
• +Engine can run in the client's Azure or AWS account with the code in their own GitHub organisation
• +Builds on whichever platform the client already uses: Vapi, Retell, ElevenLabs, Bland or Synthflow
• +Each agent is tested on real calls before launch and tuned afterwards

Cons

• −No public price for custom builds or the licence; every option goes through sales
• −The self-serve plan with free credit and per-minute billing is no longer on the pricing page
• −Changes after launch are billed hourly or on retainer

Vapi

The default answer when a developer needs a voice agent on a phone line rather than a chat widget: it handles the hard real-time parts — barge-in, latency, turn-taking, telephony — and lets you swap in your own models. Enterprise adoption at Ring and Intuit is real validation. Cost forecasting is the hard part, because the platform fee is only one of four meters running.

Pros

• +Handles real-time voice mechanics: turn-taking, interruptions, latency and telephony
• +Bring-your-own-key support across OpenAI, Anthropic and Google avoids double model markup
• +CRM and helpdesk integrations for Salesforce, HubSpot and Zendesk
• +SOC 2, HIPAA and PCI compliance plus SSO and RBAC on the enterprise tier
• +Proven at scale, with Amazon Ring routing inbound support volume through it

Cons

• −The $0.05/minute platform fee sits on top of speech, model and voice provider costs
• −Concurrency beyond ten lines costs $10 per line per month
• −Enterprise compliance features require an annual Scale contract
• −It is a developer platform, so there is no usable no-code path

Is AgentVoice cheaper than Vapi?

Vapi starts at $0.05/min; AgentVoice prices on request, so a quote is the only way to compare.

Which has a public API, AgentVoice or Vapi?

Both ship a public API, so either can be built on; the fact table above shows the platforms each one runs on.