How Much Does Synthflow Cost in 2026? Full Pricing Breakdown

Back to Compare Flat illustration of three ascending pricing tiers in navy and yellow representing Synthflow's 2026 plan levels, with the headline Pricing Breakdown 2026.

Flat illustration of three ascending pricing tiers in navy and yellow representing Synthflow's 2026 plan levels, with the headline Pricing Breakdown 2026.

Synthflow AI pricing in 2026 starts at $29/month for the Starter plan (50 minutes, 5 concurrent calls), with Pro at $450/month, Growth at $900/month, Agency at $1,400/month, and Enterprise contracts starting at $30,000/year. Its voice engine runs about $0.08–$0.09 per minute, but the real all-in rate typically lands between $0.15 and $0.37 per minute once LLM and telephony costs are added, and add-ons like extra concurrency (~$20/month each), HIPAA BAA (~30% surcharge), and the white-label toolkit (~$2,000/month) push bills higher. If you'd rather have a done-for-you agent built and operated for you instead of managing a DIY voice platform, Agents by AIQ builds and runs AI receptionists and phone agents on a real phone number — book a call to scope yours.

Bottom line: Synthflow is a capable no-code voice AI platform with transparent per-minute pricing, but its effective cost climbs well above the headline plan price once add-ons and usage stack up. Whether that's worth it depends on whether you want to operate the platform yourself or have agents built and run for you.

TL;DR

Synthflow's Starter plan costs $29/month with 50 minutes included and 5 concurrent calls
Pro is $450/month (2,000 minutes), Growth $900/month (4,000 minutes), Agency $1,400/month (6,000 minutes)
Enterprise contracts start at $30,000/year, scoped around call volume, concurrency, telephony, and integrations
The voice engine runs ~$0.08–$0.09/min, but the all-in rate typically lands between $0.15 and $0.37/min once LLM and telephony are added
Extra concurrent calls cost about $20/month each, a HIPAA BAA adds roughly 30% to the per-minute rate, and white-label costs about $2,000/month
Synthflow holds a 4.5/5 rating on G2 from 1,000+ reviews; 'expensive' is the most common complaint
No license fees, no required contracts, and no charges for failed calls — you pay only for successful minutes

Head-to-head

Dimension	Synthflow AI
Entry price	$29/month (Starter)winner
Per-minute cost	$0.08–$0.09/min voice engine; $0.15–$0.37/min all-inwinner
Included minutes	50 / 2,000 / 4,000 / 6,000 minutes by tierwinner
Concurrency	5 / 25 / 50 / 80 concurrent calls by tier; 200+ on Enterprisewinner
Add-on fees	~$20/mo per extra concurrent call, ~$1.50/mo per phone number, ~30% surcharge for HIPAA BAA, ~$2,000/mo white-labelwinner
Enterprise tier	From $30,000/year, scoped to volume, telephony, security, and supportwinner
Free trial	14-day trialwinner
Support	Community support on Starter; ticketing on Pro and above; 24/7 support on Pro and abovewinner

Scores

Synthflow AI7.5/10

Pricing6

Ease of use9

Features8

Support7

Compliance9

Scalability7

Synthflow AI

synthflow.ai ↗

Synthflow AI is a no-code voice AI platform for building AI phone agents that handle inbound and outbound calls. Launched in 2023 and backed by a $20 million Series A, it centers on a drag-and-drop Flow Designer where non-technical users build conversational call flows, plus an AI assistant called Aurora that generates agents from a description. The platform includes a Test Center for simulated calls before launch, Auto-QA and real-time monitoring after launch, and its own in-house telephony network with sub-100 ms latency and 99.99% uptime. It supports 30+ languages with multilingual voice cloning, integrates with 200+ tools including CRMs and scheduling platforms, and offers a full white-label agency tier with client subaccounts. Synthflow is certified across SOC 2, HIPAA, GDPR, and ISO 27001, making it viable for regulated industries like healthcare and financial services. It holds a 4.5/5 rating on G2 from over 1,000 reviews, with users praising ease of use and voice quality while most often criticizing cost.

Pricing:from $29/moreported

Plan	Price	What you get
Starter	$29/mo	50 minutes included, 5 concurrent calls, unlimited assistants, API & integrations, community support
Pro	$450/mo	2,000 minutes included, 25 concurrent calls, 8,000 custom workflows, workflow builder, ticketing support
Growth	$900/mo	4,000 minutes included, 50 concurrent calls, 42,000 custom workflows, 25 subaccounts, ticketing support
Agency	$1400/mo	6,000 minutes included, 80 concurrent calls, 100,000 custom workflows, unlimited subaccounts, ticketing support
Enterprise	$30000/yr	Custom minutes, 200+ concurrent calls, custom integrations, guaranteed uptime, enterprise support; scoped around call volume, telephony, security, and launch support

Pros

Genuinely easy to use — the most repeated comment across hundreds of G2 reviews, with some users live in a day
Natural-sounding voice quality, largely thanks to ElevenLabs voices under the hood
Extensive integration library with 200+ tools including CRMs and scheduling platforms
Full white-label and agency reseller capabilities with client subaccounts
Transparent per-minute pricing with no license fees, no required contracts, and no charges for failed calls
Enterprise-grade compliance (SOC 2, HIPAA, GDPR, ISO 27001) out of the box

Cons

Cost is the most common G2 complaint; the real monthly bill lands noticeably higher than the advertised plan price once add-ons and provider fees are counted
All-in per-minute rate of $0.15–$0.37 is well above the $0.08–$0.09 voice-engine headline rate
Hits a ceiling on complex customization, with a real learning curve beyond simple flows
Reviewers report the agent can sound like a polished IVR once a caller goes off script
Outbound and dialer tools lag behind dedicated outbound platforms
Add-on fees (concurrency, HIPAA BAA, white-label) make budgeting harder

Synthflow pricing compared: plan by plan

What's included — and what costs extra

What real users say about the price

DIY platform vs. done-for-you agents

Which should you pick?

FAQs

How much does Synthflow cost per month in 2026?

Synthflow's published plans are Starter at $29/month (50 minutes, 5 concurrent calls), Pro at $450/month (2,000 minutes, 25 concurrent calls), Growth at $900/month (4,000 minutes, 50 concurrent calls), and Agency at $1,400/month (6,000 minutes, 80 concurrent calls). Enterprise contracts start at $30,000 per year, scoped around call volume, concurrency, telephony setup, integrations, and security needs. Usage beyond included minutes is billed per minute.

What is Synthflow's per-minute rate?

The voice engine alone runs about $0.08–$0.09 per minute, and Synthflow's own blog confirms pricing starts at $0.08/min with enterprise tiers as low as $0.07/min at 400,000+ minutes. However, independent reviews put the real all-in rate — once language model and telephony costs are included — between $0.15 and $0.37 per minute, depending on the voice engine, LLM choice, and telephony setup you configure.

Does Synthflow charge for failed calls?

No. Synthflow states on its own blog that there are no license fees, no required contracts, and no charges for failed calls — you pay only for successful inbound or outbound minutes. That said, it's still worth asking about rounding rules (per second vs. per minute) and whether voicemail or spam calls are billed, since those are common hidden-cost areas across voice AI vendors generally.

What extra fees should I budget for with Synthflow?

Beyond the plan price, independent reviews identify several add-on costs: each additional concurrent call beyond the included five costs about $20/month, phone numbers run around $1.50/month, a HIPAA business associate agreement adds roughly 30% to the per-minute rate, and the white-label reseller toolkit costs about $2,000/month (included on Enterprise). Bring-your-own-key fees for the voice engine or LLM may also apply depending on plan. Once you pass 10,000 minutes a month, you move to custom enterprise pricing.

Is Synthflow worth it for a small business?

For small businesses and agencies that want to launch an AI phone agent fast without hiring an engineer, the reviews say yes — the no-code builder is genuinely easy to use, some users go live in a day, and the white-label tools are strong. Where it gets tricky is scale: costs climb steadily as usage grows, add-ons push bills above the headline plan price, and the platform hits real limits on complex call flows. Model your peak usage and required add-ons before committing to a plan.

Is there a way to get AI phone agents without building them myself?

Yes. Agents by AIQ is a done-for-you alternative: the team designs, builds, connects, and runs AI agents for small and mid-size businesses — including AI receptionists that answer calls on a real phone number, sales follow-up and SDR agents, support agents, appointment setters, and workflow automation — integrated with the tools your business already uses. It's month-to-month and you own everything. Book a call to scope the agent for your business.