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10 alternatives

AI Phone Agents

Synthflow

Best Synthflow Alternatives

Synthflow lets you build no code AI voice assistants for phone calls.

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Newer alternatives on PostYourStartup

dolfyn

AI Phone AgentsBootstrapped

Custom-built AI phone receptionists for businesses that run on the phone.

Sayora

AI Phone AgentsBootstrapped

AI receptionist that answers calls and books jobs for UK small businesses

AgentLine

AI Phone AgentsBootstrappedSolo FounderVibe Coded

The voice infrastructure for AI agents

Popular Synthflow alternatives in the AI Phone Agents space

AA

Air AI builds AI agents that hold full length phone conversations.

Bland AI builds AI phone agents that handle inbound and outbound calls.

Goodcall is an AI phone agent that answers calls for small businesses.

PolyAI builds customer led voice assistants for enterprise call centers.

Retell AI provides tools to build and deploy AI voice call agents.

Vapi is a developer platform for building voice AI phone agents.

VO

Vocode is an open source framework for building voice AI agents.

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