# Synthflow pricing (2026): plans, cost, and compliance

**Entry price:** $0 (free)/mo (Pay As You Go). Among the 4 ai voice agents we track it is the cheapest; median entry $0/mo.
**Domain:** synthflow.ai
**Free tier:** Yes
**Compliance:** HIPAA Yes · SOC 2 Yes · GDPR Yes
**Integrations:** Cal.com, GoHighLevel, HubSpot, Salesforce, Zapier, WhatsApp
**Best for:** agencies; no-code-builders; enterprise; outbound-sales; appointment-setting

## Plans

| Plan | Monthly | Annual | Billing | Notes | Source |
| --- | --- | --- | --- | --- | --- |
| Pay As You Go | $0 | — | per_minute | Free to start; usage-based billing. Voice Engine: $0.09/min. LLM add-ons range $0.02–$0.05/min depending on model. Synthflow Twilio telephony $0.02/min or BYOT $0.00/min. Total typical range $0.15–$0.24/min. 5 concurrent calls included; additional concurrency $20/unit/month. Phone numbers $1.50 each. White-Label + Custom Domain add-on $2,000/month. Performance Routing $0.04/min. Global Low Latency Edge $0.04/min. | synthflow.ai |
| Enterprise | Quote-only | — | per_minute | Minimum 10,000 minutes/month. Custom per-minute pricing. Unlimited concurrent calls, Synthflow Native Telephony, white-label toolkit, 99.99% SLA. Adds HIPAA, MSA support, geo-based sub-processing, on-premise multi-region deployment. Contact sales. | synthflow.ai |

**Key features:** Modular per-minute pricing: voice engine, LLM, and telephony priced separately so you can BYOT; SOC2 and GDPR on all plans; HIPAA on Enterprise; White-label toolkit with custom domain option; Synthflow Native Telephony on Enterprise.

**Plan limits:** 5 concurrent calls on Pay As You Go (additional $20/unit/month); 10,000 min/month minimum for Enterprise; White-label add-on $2,000/month extra; HIPAA available on Enterprise only.

Sources: 1 · Last verified 2026-06-15
Provenance: Pricing and compliance fetched directly from synthflow.ai/pricing. SOC2 and GDPR on all plans; HIPAA listed as Enterprise-only. Enterprise adds on-premise hosting. No fixed monthly subscription tiers (Starter/Pro/Growth) exist — usage-based Pay As You Go only.
Canonical: https://frontdeskreview.com/software/ai-voice-agents/synthflow/
Cite: Per The Front Desk Review, Synthflow's entry plan was $0 (free)/mo as of 2026-06-15 — https://frontdeskreview.com/software/ai-voice-agents/synthflow/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl