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Synthflow Voice AI Agents

Agent platform

by Synthflow

Voice AI platform for building and running phone agents with a visual Flow Designer, built-in telephony, automated testing and call monitoring, sold to enterprises on annual contracts.

Find alternatives to Synthflow Voice AI Agents

What it does

• Voice agent
• Customer support

Features 8

• Flow DesignerVisual builder to define every step of a voice agent's logic and connect APIs.
• Test CenterAgents are tested automatically with simulated calls that measure accuracy, response quality and compliance.
• Auto-QA and monitoringAnalyzes every conversation in real time for accuracy and intent, feeding insights into the next agent version.
• Multi-Agent SystemModular voice flows with subflows acting as specialized agents that handle tasks independently.
• Custom TelephonyIn-house telephony with sub-100 ms latency that works alongside existing SIP or PBX setups.
• AI SandboxPreview, compare and roll back agent versions and deploy updates without downtime.
• Real-Time MonitoringReal-time visibility into every call, webhook and API to debug faster.
• Omnichannel agentsDesign, deploy and manage agents across voice, chat, SMS and more from one platform.

How it compares

• Retell AI Voice Agents

  Retell vs Synthflow: Compare Pricing, Features

  Official documentation · 13 Oct 2026
• Bland

  Bland and Synthflow target different voice AI markets.

  Official documentation · 13 Oct 2026

Sources

Pricing

Pricing page · 11 Oct 2026

Pricing page: "Enterprise contracts start at $30,000 annually. Final pricing is scoped around call volume, concurrency, telephony setup, integrations, security needs, and launch support." Billing docs: "Synthflow uses sales-led pricing."

Description

Company disclosure · 7 Oct 2026

Homepage: "Enterprise-Ready Voice AI Agents for Automated Phone Calls"; "The only end-to-end Voice AI platform with in-house telephony".

What it does

Company disclosure · 7 Oct 2026

Homepage: visual Flow Designer for building voice agents, with customer service, receptionist, answering-service and appointment-booking use cases.

Sold within

Pricing page · 7 Oct 2026

Pricing page publishes Synthflow's own contract floor ("Enterprise contracts start at $30,000 annually"); sold on its own, no parent offering.

Name

Company disclosure · 7 Oct 2026

URL

Company disclosure · 7 Oct 2026

Deployment

Company disclosure · 7 Oct 2026

Hosted platform: homepage says it handles the infrastructure and telephony ("in-house telephony"), with "region-based hosting"; no self-hosted option stated.

Interfaces

Official documentation · 11 Oct 2026

Docs index: "Create voice or chat agents in the Synthflow dashboard, or via the API"; "Synthflow MCP server ... manage agents, calls, knowledge bases, and more via tools". Dashboard at app.synthflow.ai.

Modalities

Official documentation · 12 Oct 2026

Page: 'across every channel — voice, chat, SMS, and more'.

Also from Synthflow

• Aurora AI agent

  AI agent inside the Synthflow dashboard that builds and updates voice agents, writes prompts, sets up knowledge bases and actions, analyses past calls and runs test simulations from plain-language requests, applying changes only after confirmation.

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