Your Ultimate Path to Voice AI

Skip the trial-and-error with fully tested, high-performance agents, saving you time, effort, and money.
4.5
1,000+ reviews on G2

Pay as you go

Launch instantly, scale when you’re ready. Ideal for builders, pilots, and small-scale deployments. $0 to start, usage-based billing after launch.
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  • Free to start, then usage-based
  • Telephony: Synthflow Twilio / Bring Your Own Telephony
  • 5 concurrent calls, then $20/reserved concurrency
  • Compliance (SOC2, GDPR, ISO 27001)
  • Unlimited Agents, API & Integrations
  • API Rate Limits: 30 requests/minute
  • Support via Ticketing

Enterprise

For scaling teams handling 10,000+ minutes/month. Purpose-built for enterprise-grade reliability, scale, and security.
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  • Guaranteed Uptime & SLA 99.99%
  • SIP Trunking, Synthflow Native Telephony
  • White Label & Reseller Toolkit
  • Unlimited Concurrent Calls & Custom Workflows
  • API Rate Limits: Custom + Priority
  • Advanced Compliance: MSA support, geo-based sub-processing, on-premise multi-region deployment, flexible hosting options, and more.
  • Enterprise Onboarding, Training, and Support
Powering over 65M+ voice calls every month in 30+ countries
Calculator

Estimate Your Costs

As your business expands, our pricing adjusts to match your evolving needs, ensuring cost-efficiency without compromise.
How many minutes of calls per month?

10,000

Includes

Synthflow Voice Engine
5 Concurrent Calls
Support via Ticketing
Academy

Pick LLM

Pick Telephony

Add-ons
Concurrency Add-on
$20/call, up to 50 calls
Cost breakdown
Voice Engine
$0.09
LLM: Type
$0.05
Synthflow Native Telephony
$0.00
Performance Routing
$200
Global Low Latency Edge
$800
Whitelabel & Reseller Toolkit
$800
Extra Concurrent Calls
$0.00
Total
$0.00
Talk to us to get enterprise pricing.
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compare features

Compare Plans and Make the Right Choice

See how Synthflow compares with other leading voice AI platforms. The table below outlines differences in pricing and features to help you make the right choice.
Cost Structure
Pay As You Go
Start Now
Enterprise
From 10K Minutes/Month
Voice
Voice Engine
Synthflow Voice Engine
$0.09/min
Custom
LLM
GPT-4.1 mini
$0.02/min
Custom
GPT-4.1
$0.05/min
Custom
GPT-5
$0.04/min
Custom
GPT-5.1
$0.04/min
Custom
GPT-5.2
$0.04/min
Custom
Telephony
Synthflow Native Telephony
Enterprise only
Synthflow-managed Twilio
$0.02/min
Bring Your Own (BYO) Twilio
$0.00/min
Add-Ons
Performance Routing
Prioritizes LLM processing for faster agent responses.
$0.04/min
Global Low Latency Edge (<600 ms)
Prioritizes LLM processing for faster agent responses.Routes calls through the nearest region to reduce audio delay, resulting ca. 600ms lower latency.
$0.04/min
Extra Concurrency
$20/concurrency/month
Unlimited
White-Label + Custom Domain + Reseller Toolkit
$2,000/month
Included
Phone Number
$1.50
-
Text
API or Widget
$0.002/msg
Custom
Simulation
$0.002/run
Custom
SMS
$0.010/msg
Custom
WhatsApp
$0.010/msg
Custom
Facebook
$0.005/msg
Custom
Support
Synthflow Academy
Support via Ticketing System
Dedicated Support & Slack Channel
-
Early Access to New Features
-
Solution Architect & Customer Support Manager
-
Compliance
GDPR
SOC2
Guaranteed Uptime (SLA)
-
99.99%
HIPAA
-
Advanced Compliance:
MSA Support, Geo-Based Sub-Processing, On-Premise Multi-Region Deployment, Flexible Hosting Options, and more.
-
FAQ

Everything You Need to Know About Synthflow’s AI Voice Agents

How much does Synthflow cost per minute?

Is Synthflow AI free?

How is usage calculated?

Can I use Synthflow with my Starter, Pro, Growth, or Agency plan?

Can I use my own Twilio account?

Can I white-label on PAYG?

How do I scale concurrency?

Does Synthflow AI have a free trial?

How am I charged for minutes?

Am I charged for failed calls?