Looking for a Synthflow Alternative?
Synthflow is a leading AI voice agent platform with flexibility, scalability, and ease of use. If you're exploring other options, here’s a comparison of Synthflow with top competitors like Bland AI, Vapi AI, Vocode.dev, Retell.ai, and Play.ai to help you make the best choice for your business.
WORKFLOW
Voices and Automation Features
Choose from a vast selection of voices and automate call interactions.
Compare features
Voices and Automations Features
AI Voices
300+
250+
150+
100+
200+
150+
Voice Cloning
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Multilingual Voice Cloning
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Patience Level Control
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Inbound/Outbound Call Handling
Post-Call Actions
Custom Voice Agent Actions
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Integrations and Real-Time Capabilities
Real-Time Booking
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API Integrations
Warm Human Transfer
Native CRM Integrations
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Prompting Co-Pilot
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Enterprise-Ready Security and Support
SOC 2 & GDPR Compilant
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HIPAA Compilant
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24/7 Support
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SIP Trunking
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Data Encryption
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Advanced Features Comparison
Post-call Analysis
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Agent Builder
No-Code Builder
No-Code Builder
Single Prompt & Agent Blocks
Limited Scripting Tools
Pre-Built Templates Only
No-Code, Limited Flexibility
Available Languages
10+
English Only
Business multilingual
Business multilingual
35+
30+
50+
40+
Latency
<500ms
800ms
800ms
>1 sec
700ms to 1500ms
>1 sec
Test LLM
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-
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-
Webcall Support
Custom Telephony
SIP Trunking (Any Provider)
Twilio
Twilio and Vonage
Twilio
Twilio
Twilio
Single & Multi-Prompt
Single Prompt
Single Prompt
Single Prompt
Single Prompt
Our Benefits
Why Businesses Choose Synthflow
Discover ready-made calling assistants tailored to a specific industry and use case, such as lead qualification, real-time booking, and more. Create and publish your template and earn by selling and customizing it.
View all templates
Enterprise-grade voice AI—without the heavyweight pricing
Synthflow delivers the capabilities large teams need, but at a budget range that fits $30K–$100K rollouts, not just all-in enterprise overhauls. Ideal for departments, pilots, or scaling without red tape.
Fast voice response under 800ms
Latency matters in voice. Synthflow’s infrastructure ensures real-time responsiveness, even during high-volume or concurrent call traffic.
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More flexibility in agent design (without writing code)
Build multi-prompt flows, add conditional logic, and handle complex conversation paths—visually, with no need for dev support.
Test before you deploy
With Synthflow’s LLM prompt testing sandbox, your team can iterate quickly and safely—no staging environments or backend hacks required.
Use your existing telephony stack
Full support for SIP trunking, Twilio, and BYOC means IT teams stay in control of routing, carriers, and compliance.
Ready for global teams
With 30+ languages and multilingual voice cloning, you can support customers across regions without duplicating agent work.
Meets enterprise security requirements out of the box
Synthflow is fully compliant with SOC 2, HIPAA, GDPR, and ISO 27001, helping you move faster through procurement and security review.
WORKFLOW
How Synthflow Works
Synthflow makes it easy to design, train, and launch AI voice agents in just a few steps. The result is faster support, fewer missed calls, and a smoother experience for your customers.
Step 1
Create an AI Agent
Start with a ready-made template or build from scratch. Define your agent’s purpose with a simple prompt.
Step 2
Customize your AI Agent
Shape the tone, voice, and workflows. Connect knowledge, data, and systems to train it instantly.
Step 3
Connect and Deploy
Integrate with your existing tools and telephony. Go live quickly and start handling calls seamlessly.
Enterprise benefits
Why Leading Teams Choose Synthflow
Enterprises choose Synthflow to deploy Voice AI with speed, precision, and trust. Our forward-deployed engineers, in-house telephony, and global compliance framework deliver reliability, security, and measurable ROI — from first call to full scale.
From Idea to ROI in Weeks
Forward-Deployed Engineers launch agents in weeks, not months — taking Voice AI from pilot to production fast, with measurable ROI in the first 60 days.
Certified Security & Compliance
Synthflow’s infrastructure is certified across SOC 2, HIPAA, PCI DSS, and GDPR — with full encryption, audit logs, and region-based hosting built into every release.
Enterprise Reliability
We run our own network with multi-cloud redundancy, instant failover, and round-the-clock monitoring — keeping every call connected and every customer heard.
Designed for Exceptional CX
When customers call, they’re not looking for automation, they’re looking for resolution. We make every interaction personal and human from start to finish.
Enterprise Reliability
Synthflow agents follow defined logic and approved knowledge sources — ensuring compliant, brand-safe replies and zero off-script or hallucinated responses.
99.99% Uptime
Case Study
The ROI for Your Business
Unlock measurable impact with AI voice agents. Synthflow helps you save time, reduce costs, and improve customer experience — without trade-offs.
Smart IVR
Ticket Creation
User Verification
Through a strategic partnership, Freshworks and Synthflow now offer real-time Voice AI inside Freshcaller, Freshdesk, and Freshservice, allowing businesses to automate up to 65% of routine voice requests—from routing and verification to FAQs and after-hours ticket creation. The result is faster resolution, lower agent workload, and modern voice experiences delivered directly within the Freshworks platform.
Global
SaaS & Telecom
5k-10k
Appointment booking
Lead Qualification
Handling FAQ
Medbelle integrated Synthflow’s AI assistant to optimize appointment management and minimize patient wait times. By automating scheduling and follow-ups, Medbelle achieved a 60% boost in scheduling efficiency and saw 2.5x more booked appointments — transforming patient experiences and operational productivity.
UK & EU
Healthcare
51-200
Customer Support
Appointment Scheduling
Lead Qualification
A $230M multinational BPO operator partnered with Synthflow to modernize voice operations with white-labeled AI agents. In just 60 days, the company deployed 40+ fully branded voice agents across client programs, automating 600K+ calls monthly without adding headcount. This enabled the team to deliver faster, multilingual service while reducing operational overhead.
US & LATAM
BPO & Contact Center
3000+
Lead Capture
Appointment Booking
Customer Support
A top U.S.-based CRM platform partnered with Synthflow to embed white-labeled voice AI into its product suite. Within 60 days, the company launched a fully branded voice automation layer, enabling users to handle over 500K calls per month—without writing code or adding engineering resources.
US
CRM & SaaS Platform
1,000+
Sales Qualification
Demo Scheduling
Smartcat, a leading language AI platform, partnered with Synthflow to enhance its lead qualification process using Voice AI Agents. The collaboration led to reducing booking costs by 70%, enabling Smartcat’s sales team to focus on high-value conversations and boost overall efficiency.
US
Technology
200+
Data Collection
Service Request Automation
Status Updates
Peak Demand replaced outdated forms with Synthflow Voice AI for a major transit provider. Residents now make quick calls, and AI handles requests instantly — improving speed, accuracy, and service. After proven success, more AI agents are rolling out citywide, setting a new standard for public service delivery.
Canada
Agency, Public Sector
10-50
FAQ