Synthflow

Synthflow is commonly evaluated by teams that want configurable AI phone agents through a no-code workflow builder. It can be a fit for reception, scheduling, qualification, and support triage workflows.

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Quick facts

Platform type

AI Receptionist

Inbound calls

Yes

Outbound calls

Yes

Human handoff

Yes

Setup difficulty

Easy

Pricing model

PAYG $0/mo + about $0.15-$0.24/min; Enterprise custom

Developer friendly

Pricing details

Synthflow Pay As You Go starts at $0/month and most PAYG voice setups fall around $0.15-$0.24/min depending on LLM and telephony selections. Listed components include Synthflow Voice Engine at $0.09/min, LLM rates from $0.00-$0.05/min depending on model, Synthflow-managed Twilio at $0.02/min, extra concurrency at $20/unit/month, Performance Routing at $0.04/min, Global Low Latency Edge at $0.04/min, and white-label/reseller toolkit at $2,000/month. Enterprise is custom for teams around 10,000+ minutes/month. Verify with vendor.

Cost estimator

A rough monthly usage cost from your call volume. Always confirm rates with the vendor.

Calls / month

Avg length

min

Rate / min

Vendor lists $0.150–$0.240/min — the rate above is the midpoint; adjust as needed.

Estimated monthly

$780

4,000 min / month

$9,360 / year

Same volume across platforms

4,000 min/mo · usage only

Bland AI$560
Retell AI$760
Synthflow (this)$780
Vapi$920

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