Synthflow Pricing: What to Know Before You Commit
How predictable is Synthflow pricing per minute? While it may look simple, volume and add-ons can raise total costs. In this guide, we break down what impacts your spend.
Industry average
$500 / 1,000 min
Average price is based on 30 main competitors’ pricing.
Highest price
$990 / 1,000 min
The highest price is based on the 30 main competitors’ pricing.
Our price
$350 / 1,000 min
- 24/7/365 inbound and outbound AI calling
- Human handoff (AI → agent)
- 60+ supported languages
- CRM and helpdesk integrations
Voice AI Pricing Comparison: 10 Leading Providers Compared
Company
Starting Price
Top Features
Best for
$350/month (1,000 mins) – $1,250/month (5,000 mins)
AI Voice Agents, Built-in global VoIP, 60+ languages, Sentiment Analysis, AI Summaries, Native CRM integrations
Growing SMBs wanting AI + telephony in one system
Synthflow
Usage-based pricing (from $0.08/min)
No-Code Visual Builder, Omnichannel automation (voice, chat, SMS), Real-time monitoring, SOC 2/HIPAA/PCI/GDPR compliance
Small businesses and startups launching AI voice automation quickly
$0.05/min + $10/line/month
API-first architecture, Real-time voice streaming, Programmable call flows, Multilingual support
Developers building custom AI voice products
Free – $499/month
AI Voice Agents, Voice cloning, Workflow automation, API-first architecture
Retell AI
$0.07+/minute
Real-time Voice AI, Conversation Flow builder, Performance analytics, Compliance-ready
Kore.ai
Enterprise custom pricing
Voice and chat AI agents, Advanced NLP engine, Omnichannel automation, Sentiment Analysis, Security & compliance
Replicant
Enterprise custom pricing
Pre-built voice AI solutions, Conversation intelligence, Automated QA, Multilingual automation
Cognigy
Enterprise custom pricing
Voice and chat AI agents, Flow builder interface, Enterprise integrations, Analytics & reporting, Multilingual support
Amazon Lex
$0.004 per speech request – Usage-based
Automatic speech recognition, Voice and chatbot support, AWS integration, Scalable cloud architecture
Enterprise custom pricing
Enterprise AI voice assistants, Intent recognition, Dialogue management, Conversational design services, Multilingual voice support
Trusted by 230 companies worldwide
Synthflow Pricing Explained
Pay-As-You-Go Pricing
Synthflow pricing is usage-based. You pay per minute, and the final cost depends on three aspects: voice engine usage, the LLM model you choose, and your telephony setup.
Concurrency and Add-Ons
The entry plan includes limited concurrent calls. If you need more, you’ll pay extra per line. Extra lines and features like routing or low-latency infrastructure cost more.
Enterprise Plans
If you exceed 10,000+ minutes per month, pricing moves to custom enterprise quotes with SLA, compliance, and unlimited concurrency—costs aren’t public.
How Much Does Synthflow Cost?
Synthflow states that pricing starts at $0.08 per minute, with enterprise rates reportedly as low as $0.07/min at higher volumes.
However, the total Synthflow cost depends on call volume, concurrency, telephony setup, and optional add-ons. While the model is flexible, it’s not always fully transparent upfront, especially as usage scales.
Additionally, several user reviews mention that pricing can increase quickly with higher call volumes, making long-term cost forecasting important before committing to large-scale automation.
How Does Synthflow Pricing Work?
Synthflow AI receptionist pricing is structured around a usage-based model rather than fixed monthly subscriptions. In practice, this means:
- You pay per successful call minute.
- The final rate depends on the voice engine, LLM model, and telephony configuration you select.
- Concurrency and certain advanced features are billed separately.
While Synthflow promotes flat per-minute pricing, the total monthly spend can vary depending on traffic spikes, AI model usage, and add-ons.
This model offers flexibility for pilots and smaller deployments—but for high-volume operations, costs can scale quickly if not carefully monitored.
What Affects the Total Cost of Synthflow?
Several factors influence the final Synthflow cost beyond the advertised per-minute rate:
- Call volume and traffic spikes: More calls = higher monthly cost. If your volume grows, so does your spend.
- Concurrency limits: Plans include a limited number of simultaneous calls. If your business needs to manage multiple calls in parallel, you’ll need to purchase additional concurrency slots.
- LLM and telephony setup: Choosing different language models or telephony setups can change the per-minute rate.
- Extra features: Add-ons like performance routing or white-labeling are not included in the base rate and increase total Synthflow AI features pricing.
Comparing Synthflow Pricing? Choose Predictable Plans
CloudTalk’s AI Voice Agent pricing is designed to grow with your team, giving you transparent, scalable plans without the complexity.
AI Receptionist
24/7 front desk coverage for inbound calls. No queues. No missed calls. No phone trees.
Includes:
AI Specialist
Digital coworkers for end-to-end resolution. Support. Sales. Billing. Ops. You name it.
Everything in AI Receptionist, plus:
Example AI Specialists:
Example AI Support Specialists:
Why teams use them: Support queues are overloaded. AI instantly resolves the 60%+ of tickets that are repetitive.
Explore examplesExample AI Sales Specialists:
Why teams use them: Reps waste time on bad leads. AI automates immediate intake, qualification, and warm follow-ups.
Explore examplesExample AI Finance & Billing Specialists:
Why teams use them: Chasing payments is tedious. AI handles billing calls and questions and recovers revenue faster.
Explore examplesCustom
Expect usage above 10,000 minutes? Request custom pricing starting from:
Everything in AI Receptionist, plus:
Explore Specialized AI Agent
You’re exploring example AI agents. 
Create your own today.
Resolves routine technical issues and guides basic troubleshooting.
Handles high-volume order status checks and routine account inquiries.
Guides customers through returns and applies your standard refund policies.
Captures initial customer details and logs them instantly into your CRM.
Screens inbound inquiries to gather necessary details and ensure a perfect fit.
Reaches out to past customers or inactive leads to offer renewals and "we miss you" deals.
Answers routine inbound questions about invoices and account balances.
Authenticates callers and gathers account details before transferring to a live agent.
Makes friendly, automated outbound calls to collect on past-due invoices.
Manages calendars by booking, rescheduling, and confirming appointments.
Coordinates with suppliers and handles inbound delivery or service schedules.
Collects structured data from callers to fill out forms or service requests.
Conducts initial phone interviews to vet applicants before they reach a recruiter.
Acts as an internal 24/7 helpdesk for employee benefits and policy questions.
Guides new hires through their first week tasks and required documentation.
"With CloudTalk's Analytics I now get to see every step of the way. We can find discrepancies between our agents and gain a much better understanding of our teams' setup."
Nelly Donnelly Service Delivery Manager
See customer story
"CloudTalk improved our team's cost and efficiency. The script feature allows us to lead the calls in a much more systematic way, as well as all the action buttons to trigger actions directly into our backend."
Yohann Bensadoun Global Supply Growth
See customer story
"Our call volume tripled in only 2 years, from around 10,000 calls to 30,000 per quarter and with CloudTalk, we can now handle all of this communication easily. It was an excellent choice."
Frederico Lopes Head of Customer Service
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"We have seen a significant increase in our outbound call volume since we started using CloudTalk and we can now reach out to more prospects and customers than ever before."
Elay Sasson Call Center Manager
See customer story
"CloudTalk’s AI has cut our call quality analysis from 2 hours to 20 minutes daily and reduced mis-targeted leads by 24%, allowing us to focus on strategic growth."
Sara Konickova Sales Ops Manager
See customer story
Integrations
Upgrade from Synthflow Pricing with Smarter Integrations
CRMs, helpdesks, applicant tracking systems and more. Get started instantly with 100+ built-in integrations, or expand further with Zapier, Make or CloudTalk’s own workflow automation builder.
Frequently asked questions
Synthflow AI answering service pricing starts at $0.08/min, with costs rising based on call volume, concurrency, and selected add-ons.
Includes voice engine, LLM, STT, and integrations. Costs increase with minutes, concurrency, and paid add-ons.
Yes. CloudTalk enables advanced routing, multi-step flows, and deeper CRM-triggered automation.
Yes. CloudTalk offers bundled minutes, built-in VoIP, and scalable plans designed for high-volume teams.
CloudTalk scales through tiered plans with included minutes, making costs more predictable as usage grows.
Yes. CloudTalk delivers advanced Analytics, Real-Time Dashboards, and AI insights, such as Sentiment and Call Summaries, built for high-volume teams.
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