Synthflow vs. ElevenLabs:
Best AI Voice Agent Alternative for Real-Time Call Automation

When comparing AI voice platforms in 2025, Synthflow and ElevenLabs take distinct approaches. Synthflow is purpose-built for enterprises deploying AI voice agents to automate real-time call workflows — managing inbound and outbound interactions, intelligent routing, analytics, and compliance. ElevenLabs specializes in AI voice generation and text-to-speech, ideal for developers and creators building media or conversational AI. For scalable, real-time AI voice automation, Synthflow is the more complete solution.
Features

Synthflow vs. ElevenLabs: Feature Comparison

Synthflow enables businesses to create AI voice agents that respond in real time and handle complex interactions without writing code. ElevenLabs excels at voice quality and natural-sounding synthesis, but it’s not designed for end-to-end call automation or workflow execution.
Agent Features & Developer Tools
Post-Call Analysis
Test Center (Simulations)
Persistent Memory
N/A
Agent Builder (GUI)
LLM Testing Sandbox
Built-in GPT UI
Built-in Agent Testing
Available Languages
30+
30+
30+
Latency
< 500 ms
600 ms
Emotion & Prosody Controls
N/A
Multi-Speaker Handling
N/A
Knowledge Base Integration
Webcall Support
Custom Telephony
SIP Trunking (BYOC)
Overage Handling
N/A
Full Whitelabel
N/A
Salesforce Integration & Oauth
N/A
Native CRM Integrations
CCaaS Integrations
N/A
APIs & Webhooks
Pricing

Synthflow vs. ElevenLabs: Pricing Comparison

Synthflow uses a transparent per-minute pricing model, perfect for businesses managing live customer interactions and voice agents at scale. ElevenLabs, meanwhile, charges per-character — optimized for media and app developers.
Pricing & Implementation
Free Tier / Trial Availability
14-day Trial
Free Tier
Transparent Pricing
Annual Commitment (Enterprise)
From $30K
$150K+
Deployment Time
3 weeks
N/A
No-Code Setup
30+
N/A
Dedicated Onboarding Team
Enterprise Only
Volume Discounts
Dedicated CSM
Enterprise-Grade

Synthflow vs. ElevenLabs: Security, Scalability & Reliability

Synthflow provides enterprise-grade security and compliance with SOC 2, GDPR, HIPAA, and ISO 27001 certifications. It also offers end-to-end data encryption, detailed audit logs with role-based access control (RBAC), and 24/7 support for continuous monitoring. These measures make Synthflow a strong choice for regulated industries requiring high standards of data protection and operational reliability.
ElevenLabs supports SOC 2, GDPR, ISO 27001, and PCI-DSS Level 1 compliance, offering strong baseline security for general use cases. However, it lacks HIPAA coverage, audit logs, RBAC controls, and 24/7 support — making Synthflow the more comprehensive option for enterprise and compliance-critical environments.
Security & Compliance
SOC 2 / GDPR
PCI-DSS Level 1
N/A
HIPAA Compliance
N/A
ISO 27001
Data Encryption
End-to-end
Audit Logs & RBAC
30+
N/A
On-Prem Option
N/A
N/A
GDPR
24/7 Support
N/A
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.

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.
65%
Routine Calls Automated
75%
Reduction in Wait Times
Increased Response Rate
60%
Less Agent Workload
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.
+60%
Scheduling Efficiency
-30%
No-show Rates
2.5x
Qualified Appointments
+25%
Patient Satisfaction
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.
>600K
Monthly Calls Handled
40+
AI Agents Deployed
2
English & Spanish Languages
0
New Hires Needed
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.
500k
Monthly AI-Powered Calls
60 Days
Deployment Time
100%
White-Labeled Voice Integration
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.
+24%
Answered calls
+15%
Closed sales
+15%
Lead Reactivation
-70%
Booking cost
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.
3
Working AI Agents
-100%
Missed Calls After Hours
-80%
Time Saved on Requests
100%
Automated Data Collection
Canada
Agency, Public Sector
10-50
FAQ

Everything You Need to Know About Synthflow’s AI Voice Agents

What is Synthflow?

Does Synthflow offer a free trial?

We already have a support team. Why use Synthflow?

Is Synthflow secure and compliant?

Can I customize Synthflow for my workflows?

Can Synthflow integrate with our current tools?

What if the AI says something off-brand?

What happens if the AI gets stuck?