What is Synthflow?
Synthflow is a Voice AI platform for enterprises that automates phone calls. It provides AI voice agents that handle inbound and outbound conversations, built with a visual Flow Designer, connected to APIs, and deployed on Synthflow's own telephony network or through an existing SIP or PBX setup.
In practice, teams use it to automate tier-1 customer support, appointment booking, receptionist and answering-service work, and IVR-style call routing, with agents that can hand off to humans. The platform also offers a testing sandbox with simulated calls, version tracking and rollback, real-time call monitoring, and analytics on accuracy and intent, plus omnichannel support across voice, chat, SMS and WhatsApp.
Key features
- Visual Flow Designer for building voice agent logic and API connections
- Multi-agent system with subflows that handle tasks independently
- In-house telephony network with sub-100 ms latency or SIP/PBX integration
- Test Center with simulated calls and an AI sandbox with version rollback
- Real-time monitoring and Auto-QA of every conversation
- Omnichannel agents across voice, chat, SMS and WhatsApp
Who is it for
- enterprise customer support teams
- BPO and call centers
- healthcare and appointment-based businesses
- sales teams handling inbound calls
Pros and cons
- Own telephony network with stated 99.99% uptime and sub-100 ms latency
- Integrates with major contact-center and CRM systems such as Cisco, Genesys, Salesforce and HubSpot
- Enterprise pricing starts at $30,000 per year and is scoped by call volume and setup
- No free plan or trial is mentioned on the pages provided
Synthflow pricing
| Plan | Price | Includes |
|---|---|---|
| Enterprise | 30000 USD / year | Starting price; final pricing scoped by call volume, concurrency, telephony, integrations, security and launch support |
Prices copied from Synthflow pricing, checked October 12, 2026. Currency as shown by the vendor; taxes may apply.
Is Synthflow free?
No - according to the vendor, it is paid only.
Synthflow alternatives
| Tool | Price from | Free plan | Category |
|---|---|---|---|
 Gumloop | 37 USD/mo | trial | AI agents |
 Vapi | 29 USD/mo | trial | AI agents |
 CrewAI | not listed | yes | AI agents |
 Relevance AI | not listed | ? | AI agents |
 Manus | 20 USD/mo | ? | AI agents |
 Dust | 24 EUR/mo | trial | AI agents |
All alternatives to Synthflow →
FAQ
What is Synthflow used for?
Enterprise platform for building and running AI voice agents that answer and make phone calls for sales and support teams.
Is Synthflow free?
No - according to the vendor, it is paid only.
How much does Synthflow cost?
The cheapest paid plan is 30000 USD/yr (vendor pricing, October 12, 2026).
What are the best Synthflow alternatives?
Closest alternatives: Gumloop, Vapi, CrewAI, Relevance AI, Manus.
Data checked October 12, 2026 on the vendor website (synthflow.ai).