Retell AI vs Dograh AI : Which is Best For You in 2025 ?

AI is rapidly transforming global AI business, about 78% of businesses use AI in at least one function and 83% of the companies consider AI as a top strategic priority. Voice AI agent filling the gaps in digital health, 70% expressed acceptance of AI driven monitoring. Agentic AI is driving this shift, helping companies cut costs by up to 15% while boosting response speed and efficiency across industries like healthcare, energy, and finance.

In this blog, we compare two leading platforms in the space Dograh AI and Retell AI. We’ll explore their core features, user experience, performance, integrations and pricing to help you decide which solution is the right fit for your voice automation needs.

Start with Dograh

Try Dograh – Your Voice, Our AI

Book a Call

Migrate from Retell AI: Save upto 90% time with Dograh Voice AI.

Dograh offer an open-source, no-code Voice AI builder that lets you control and deploy voice agents in minutes with reliable multi-agent conversational flows.

Book a Demo

In-depth Retell AI vs Dograh AI Comparison

The global AI market valued at USD 279.22 billion in 2024, is expected to surge to USD 1,811.75 billion by 2030, with a CAGR of 35.9% between 2025 and 2030. AI agents are evolving beyond conversations, now able to take smart actions like processing payments, detecting fraud and managing shipping immediately after interactions.

1. Dograh AI

Dograh Voice AI
Dograh Voice AI

Dograh stands out as a powerful open source alternative to Retell AI with several advantages :

  1. Open Source - Dograh is an open source voice ai platform giving full flexibility to developers to customize, self host and extend features.
  2. Easy to Use and Dependability - With AI to AI testing (over calls) and feedback loop through call summary, it is fairly easy to build extremely dependable bots with Dograh AI. Also this helps cut down on time needed to build the voice agent, and significantly improves time to market.
  3. LoopTalk - Think AI calling AI. Dograh’s LoopTalk auto-tests voice bots using AI-driven customer personas to simulate real-world scenarios boosting accuracy and letting you get started in minutes.
  4. No Double Billing - Dograh offers an open source solution to self host. And its cloud solution has transparent pricing with no double billing charges for STT, TTS and LLM.
  5. End-to-End Support - Dograh’s professional team offers end-to-end support from integration and workflow setup to analytics and optimization.
  6. Faster Setup - Dograh offers drag and drop workflow builder UI and prebuilt workflow as per your business needs.
Slack

Join Dograh AI Slack Community

Retell AI  Vs Dograh AI Detailed Comparison


Dograh (Open Source)

Retell AI (Proprietary)

Open Source

Yes, full transparency, customization, and self-hosting options for maximum control and flexibility.

Retell is not a fully open source and proprietary platform. Platform offers several open source demo repositories including LLM & Twilio integration.

No Double Billing

Transparent, open source solution without any platform charges. 

Retell AI base pricing starts from $0.07+ /min for AI Voice Agents and for $0.002+/msg for AI Chat Agents.

Ease & Dependability

Voice Agents are immensely complex to build in general.Dograh’s inbuilt AI testing and self improvement features help build reliable voice agents with ease.

Intuitive dashboard with native SMS and chat capabilities for multi-channel workflows and quick onboarding.

LoopTalk

AI-driven auto-testing framework simulates real-world customer scenarios, improving accuracy and reducing manual test effort.

No dedicated autonomous testing feature, manual or third-party test.

End-to-End Support

Direct feedback and interaction with founders and engineers on Slack.

Retell AI provide support Email- support@retellai.com

and discord community.


Human-Like Speech

Realistic conversational AI with NEPQ-led sales, emotion detection, dynamic pauses, fillers, and over 45-minute conversation context.

Retell AI maintains sub-800ms response latency consistently, ensuring both speed and reliability even under high call volumes.


Multilingual

Supports multilingual voice agents using top STT and TTS.

It supports 31+ languages and captures cultural nuances, making it ideal for global deployments and diverse audiences.

Flexible Deployment

Cloud or self-hosted open source deployments for data sovereignty and regulatory compliance (GDPR/HIPAA).

Retell AI is a cloud-native platform that developers can integrate with any telephony system using SIP trunking, while also handling multiple calls simultaneously with flexible plans to scale as needed.

Testing & Optimization

Cloud-hosted tools and live analytics for test/refine cycles in real time.

Developers can test AI agents in a web-based playground, with Retell offering post-call analytics like sentiment, success rates, and containment for optimization.


Ideal Use Cases

Real estate, Finance, customer support, sales/marketing automation, tech support, e-commerce, healthcare.

Retell ai has a wide range of use cases like customer support automation, outbound sales, lead qualification, financial and insurance services, healthcare and telemedicines and telemarketing. 

Cost Efficiency

Open source, cost-effective scaling, ideal for teams seeking to avoid unpredictable or hidden costs.

Retell AI base pricing starts from $0.07+ /min for AI Voice Agents and for $0.002+/msg for AI Chat Agents. With competitive rates for STT, TTS and LLM. 

Voices

Dograh AI Voices
Dograh AI Voices

Dograh Voice AI supports multilingual voice agents, so that users can connect with global audiences effortlessly. Powered by top STT and TTS providers, conversations feel natural and fluent. Plus, you can choose your own voice to match your brand’s tone.

Customization Options

Dograh AI offers users full flexibility to customize their voice agents. The platform supports integration with any TTS/STT provider, allowing brands to choose custom voices, languages and conversation styles that match their identity and workflows. Users can also define unique personas, tones and fallback logic tailored to different scenarios whether for sales, support or internal automation.

Interface & Setup

Dograh AI offers intuitive drag and drop no code workflow builder, users can visually design conversational flow and arrange logic nodes (Start Call, Agent Response, End Call) and connect decision branches for multi agent setups.

The system also includes features like call run history, LoopTalk to test the voice agent, debugging tools for past conversations and the ability to export workflows in shareable formats like JSON.

To set up the voice agent, users simply click “Create Workflow” in the dashboard, configure the agent prompt, name, logic and insert workflow nodes as needed.

Top 10 Vapi AI Alternatives & Competitors in 2025
Vapi’s voice automation platform suits developers but suffers from high costs & scalability issues. With a 2.6 Trustpilot rating and layered pricing ($0.23–$0.33/min), many seek better alternatives like Dograh AI. This blog explores Vapi’s drawbacks and more affordable, scalable options.

Top 10 Vapi AI Alternative & Competitors in 2025

Performance & Scalability

Dograh AI is built for high performance and effortless scalability, making it ideal for real-time voice AI in business environments.

Performance Metrics :

  1. Response Time - Consistently low latency < 600 ms for real time conversations.
  2. Call Volume Capacity - Multi agent workflow able to handle large numbers of simultaneous interaction.
  3. Accuracy - High transcription and intent recognition accuracy.
  4. Reliability - Automated scaling and continuous monitoring help prevent downtime and slow performance, ensuring smooth and uninterrupted business operations.

Dograh AI dynamically auto-scales based on real-time demand, ensuring efficient resource use, reduced costs and consistently low latency under 600ms for reliable performance.

Vapi Pricing Breakdown 2025: Plans, Hidden Costs & What to Expect
Vapi is a flexible voice AI platform for developers, but its pricing can be tricky. This blog breaks down Vapi’s plans, hidden costs and extra charges with real examples plus a comparison with Dograh, a free open-source alternative for building voice workflows.

Vapi Pricing Breakdown 2025 : Plans, Hidden Costs & What to Expect

Integration Capabilities

Dograh offers seamless, plug-and-play integration with popular CRM platforms such as Salesforce, Zendesk, HubSpot and more. This enables AI agents to instantly access customer data during calls for real-time personalization, while automatically syncing call logs, outcomes and notes back to your CRM.

The platform offers strong telephony integration, allowing you to connect your existing SIP trunks, VoIP providers or cloud telephony services such as Twilio and Vonage.

Customer Support & Security

Dograh’s dedicated professional support team ensures your Voice AI runs seamlessly from initial setup to ongoing updates with fast and reliable assistance. Data privacy is a core priority, and Dograh’s open-source framework is built to meet strict GDPR and HIPAA compliance standards, keeping your information secure at all times.

Use Cases

  • Real Estate Agent
  • Customer Support
  • Sales and Marketing Automation
  • Tech Support
  • Finance, Insurance and Banking
  • E-Commerce
  • Healthcare
  • Logistics & Home Services
  • Travel & Hospitality
AI Cold Calling Real Estate Script & Best Practices | Boost Leads with Voice AI
AI cold calling is transforming real estate prospecting with scalable outreach, personalized conversations, and 24/7 engagement. Agents close more deals faster, with properties seeing a 22% sales boost. 97% of SMBs report higher revenue and better client engagement using AI voice agents.

AI Cold Calling Real Estate Script & Best Practices | Boost Leads with Voice AI

2. Retell AI

Retell AI
Retell AI

Getting Started with Retell AI

Retell AI is SOC 2 Type I & II, HIPAA, and GDPR compliant, meeting key industry standards. With 99.99% uptime and seamless fallback, it keeps your agents production-ready at all times. To get started you will need to :

  1. Sign Up and Initial Setup : Sign up on the Retell AI platform and verify your phone number or connect your telephony provider.
  2. Build your first agent : Visual or prompt-based flow editors to create simple conversation flows or advanced agents for complex dialogues.
  3. Test your Agent : The built-in attractive playground and simulation tools, debug and refine agent conversations before going live.
  4. Deploy and Monitor : Launch your voice agent for inbound or outbound calls, then track performance with real-time analytics and sentiment insights to optimize continuously.
  5. Expand and Customize : Integrate with CRMs, databases and marketing tools or leverage 31 custom language models to enhance agent capabilities and automate more workflows.

Voices

Retell AI Voices
Retell AI Voices

Retell AI supports interactions in over 31 languages including English,German, French, Spanish, Mandarin Chinese, Japanese, Portuguese, Hindi, Russian, Italian, Dutch, Korean, Swedish, and many more. Allow users to choose a voice that resonates with the audience region for better engagement. The large language support enables businesses to effectively engage with a global audience.

Speech Modeling

Retell AI Speech Modeling

Retell AI’s speech modelling is dependent on advanced real time speech technologies combined with powerful Large Language Models (LLM), to enable natural human-like voice conversations. Core speech modelling components in Retell AI include automatic speech recognition (ASR), converts caller speech into accurate, structured text in real time, even in noisy settings, improving AI understanding and customer experience. Voice Activity Detection (VAD) detects caller speech cues to manage turn-taking smoothly, reducing interruptions and keeping conversations natural.

Personalization Options

Retell AI offers diverse personalization option for higher conversion it makes AI agent sound less like a machine : 

  • Retell AI voice agents offer personalization by remembering customer history and anticipating needs, ensuring every call feels seamless and tailored.
  • Greet callers personally by name, referencing their past interactions or preferences.
  • Adapt conversations to caller behavior, skipping repeat questions or fast-tracking frequent callers.
  • Adjust tone and phrasing to match the caller’s industry, intent or profile.
  • Provide tailored answers using CRM or transaction data, rather than generic responses.

Interface & Setup

Retell AI Usability and Interface
Retell AI Usability and Interface

Retell AI is designed for developers with advanced usability, rapid production deployment, cloud native voice agent platform aimed at scalability with two pricing models Pay as you go and Enterprise model.

What You’ll Build with Bland AI:

  • Call flow control
  • Multilingual and compliance features
  • Omnichannel capabilities support for Voice, SMS and Chat
  • Automated call agents for answering FAQ’s and booking appointment
  • Testing and analytics for simulate calls and monitor performance
  • Custom conversational flows and integrating with CRM

Limitations :

  • UK Visibility : Retell AI isn’t functional in the UK, one user commented, “Not sure why this company is on Trustpilot UK. Their platform is unusable here.”
  • Complex for Non-Technical Users: Building bots often requires coding skills, making it hard for cross-functional teams.
  • No Autonomous Testing : There is no built-in autonomous testing feature like Dograh, so users must rely on manual methods or integrate third-party tools to test and validate their bots effectively.

Performance & Scalability

Retell AI is built for high performance, enterprise scalability, and instant call overflow management. It meets strict compliance standards across healthcare, finance, insurance, retail, and contact centers, delivering sub-800ms latency, 99.99% uptime and seamless fallback to keep agents always ready. Its API-first design integrates smoothly with telephony (Twilio, Vonage, SIP), automation platforms (Cal.com, Make, n8n) and custom LLMs. Base plans start with 20 free concurrent calls, with simple upgrades and real-time monitoring for scaling needs.

Retell AI Integration Capabilities

Retell AI offers robust developer tools to build, customize, and scale advanced voice automation, real-time streaming, flexible integrations and a modular design for production environments.

Core Retell AI Features :

  • Quickstarts : The company claims its phone agent can be deployed in just 5 minutes.
  • Setup Conversation Flow Agents : Create agents with fine-grained control for structured conversations.
  • Single/Multi Prompt Agent Setup : Create flexible agents for dynamic, less structured conversations using prompt based configuration.
  • Simulation Testing : Retell AI offers automated testing with simulated conversations to validate agent behaviour at scale.
  • Webhook : Offers webhook to receive real-time events for your calls.
  • Custom Telephony : Integration with your custom telephony provider via SIP.

Retell AI Security and Compliance

Retell AI Security and Compliance
Retell AI Security and Compliance

Retell AI is designed for enterprise-grade security and compliance, offering broad certifications and customizable data protection to support healthcare, finance, insurance, and global enterprises.

  • SOC 2 Type II: Confirms rigorous security controls and practices are in place for enterprise users.
  • HIPAA Compliance: Tailored for healthcare providers, with Business Associate Agreements to ensure PHI protection under HIPAA standards.
  • GDPR Compliance: Fully aligns with European data protection laws, ensuring anonymization, consent management, and processing transparency.
  • PCI-DSS: Enables automatic redaction and tokenization of card data.
  • ISO 27001: Information security management framework.

Retell AI Customer Support

Retell AI welcomes all kinds of feedback, feature requests, and help inquiries. Get dedicated support from both the Retell team and community via

Use Cases

  • Customer Support / Inbound Call Handling
  • Outbound Call Campaigns / Sales
  • Healthcare
  • Education and Assessment
  • Enterprise Workflow Automation
  • CX Optimization
  • Telecom, Insurance, Finance and Home Services
Vapi AI Review 2025 : Pros, Cons, Pricing and Features
This Vapi Review blog brings 2025 user insights and expert analysis to uncover the real value behind the hype covering pros, cons, pricing, Vapi alternatives, and key features. Explore how Vapi performs on latency, scalability, compliance, and real-world usage.

Vapi AI Review 2025 : Pros, Cons, Pricing and Features

A better alternative to Retell AI, Vapi Ai - Dograh AI

If you’re aiming to automate conversational workflows or exploring a Retell AI alternative, Dograh AI is one of the top choices.

Key Features

Dograh Workflow Builder
Dograh Workflow Builder
  • NEPQ led Sales - Uses Neuro-Emotional Persuasion Questioning (NEPQ) to drive deeper engagement and guide conversations effectively.
  • Real-Time Response - Dograh enables low-latency (<500ms), human-like voice conversations for seamless user interactions.
  • Longer Conversation - Dograh multi-agent bots can handle calls up to 45 minutes, maintain full context throughout conversations without hallucinations.
  • Human Like Speech - Pauses, Filler words & clear tone for realistic, engaging voice interactions.
  • Emotionally Effective - Understand user concerns by actively empathizing and probing their pain points to deliver more personalized, effective voice interactions.
  • Tailor-Made Build - Dograh experienced team offers hands-on support to help you design and deploy custom voice agents tailored to your scripts and business needs.
  • Multilingual Voice Support - Support multilingual voice agents using top STT and TTS providers, enabling natural and fluent conversations for diverse global audiences.
  • Expert Cloud Support - Get expert cloud support with Dograh test and refine your voice agent in real time using our intuitive, cloud-hosted interface.
  • Flexible Deployment Option - Dograh supports both cloud and open-source deployments, giving you flexibility based on your business and technical needs.
  • Customer Support - Dograh’s dedicated support team ensures your Voice AI runs smoothly from setup to ongoing updates with fast, reliable assistance.
  • Data Privacy - Your data privacy is our top priority. Dograh’s open source solution helps adhere to strict GDPR and HIPAA standards to keep your information secure and fully compliant.

Migrate from Retell AI: Save upto 90% time with Dograh Voice AI.

Dograh offer an open-source, no-code Voice AI builder that lets you control and deploy voice agents in minutes with reliable multi-agent conversational flows.

Book a Demo

Retell AI vs Dograh AI : Pricing Compared

Retell AI Pricing
Retell AI Pricing

Retell AI offers no platform fees, claims pay only for what you use. pricing starts at $0.07+/min for AI Voice Agents and $0.002+/msg for AI Chat Agents, with competitive rates for STT, TTS, and LLM. Two plans are provided by Retell AI, Pay as you go and Enterprise Plan.

Core Pricing Structure

  • Pay as you go : Retell AI offers pay-as-you-go pricing with $0 to start, $0.07+/minute for AI Voice Agents, and $0.002+/msg for AI Chat Agents, including $10 free credits, 20 free concurrent calls, 10 free knowledge bases, pre-built functions, simulation testing, analytics and support via Discord and email.
  • Enterprise Plan : Retell AI’s Enterprise Plan, for companies spending $3k+/month, offers as low as $0.05/min, scaling from 50+ calls, with discounted pricing, managed setup, higher concurrency, expanded limits, early beta access, optional white-glove service, and premium Slack support.
  • Large Language Model (LLM) : LLM usage is billed separately by provider: GPT-5 at $0.04/min (Fast Tier $0.08/min), Claude 3.7 Sonnet at $0.06/min, and Gemini 2.0 Flash at $0.006/min.
  • Telephony : Telephony costs include Retell via Twilio at $0.015/min, with no charges for SIP trunking or custom telephony, plus varying international call rates.
  • Call Agent-ons : Call Agent add-ons include Knowledge Base at +$0.005/min (first 10 free), Batch Call at +$0.005/dial (first 20 concurrency free), and Branded Call at +$0.10/outbound call (custom phone numbers free).

Cost Estimate :

Retell AI core cost
Retell AI core cost

Cost breakdown for 4,500 monthly Retell AI calls using GPT-5 LLM agents, ElevenLabs/Cartesia voices, and custom telephony.

Layer 

Price Range

Cost Per Minute

$0.110 / min

Large Language Model (LLM) (GPT - 5)

$0.040/ 1 M Tokens

Text-to-Speech (TTS) (ElevenLabs)

$0.070 / Min

Speech-to-Text (STT) (Custom Telephony)

$0.00 / Min

Total Monthly Cost 

$495.00

What are the customers saying ?

Retell AI reviews show a mix of positive and negative feedback from users worldwide. Many praise its advanced voice agent capabilities, 30+ language multilingual support, intuitive setup, and real-time performance tracking. However, concerns include its 800 ms latency, lack of availability in the UK, slow customer support, and unresolved GDPR compliance questions. Reddit discussions also reflect this balance of satisfaction and dissatisfaction.

Retell AI Reviews

Retail AI Review
Retail AI Review

Dograh AI reviews

Dograh AI Reviews Reddit
Dograh AI Reviews Reddit

Getting started with Dograh

Interested in leveraging Dograh for lead generation, cold calling or business automation ? Here’s a streamlined path to getting started, along with direct links to essential resources :

1. Sign Up for Dograh

Register your accoung on the Official Platform

Dograh Sign Up & Platform Homepage

Sign Up

2. Quick Start Instructions

Step by Step written guide to building and deploying your first voice AI Agent

How to Build AI Voice Agent - Step by Step with Dograh

Build with Dograh

This guide walks you through using Dograh’s no-code drag-and-drop builder to easily set up real estate or customer calling workflows.

3. Tutorial : No Code Voice Agent Creation

Tutorial : NO CODE VOICE Agent Creation

How to Build AI Voice Agent with No Code ( Step - by - Step )

No-Code Voice Tutorial

Discover how to easily create agents, design workflows, and integrate CRMs using Dograh code-free, with real business examples included.

4. Book a Demo

Book a Demo

Schedule a personalized walkthrough with Dograh experts

Book a Demo

Book a demo to see how Dograh can support your business needs like automating real estate leads or customer support with tailored insights and a live walkthrough.

Alternative Resource

Comprehensive implementation guide for business leaders

The Ultimate Guide to AI Calling Implementation by Dograh

Dograh Call Guide

Related Blog

FAQ's

1. Is Retell AI easy to use ?

Yes, Retell AI is easy to use with simple integrations, but Dograh AI makes setup and customization even smoother for teams.

2. What are the benefits of using Retell AI ?

Retell AI offers scalable voice automation, 99.99% uptime and easy integrations, helping businesses save costs and boost efficiency.

3. Can retell AI send SMS ?

Retell AI supports SMS via AI Chat Agents at $0.002+/msg, making it cost-efficient for messaging needs.

4. Can AI be 100% trusted ?

AI can’t be 100% trusted as it may produce errors or biases, which is why platforms like Dograh AI focus on reliable testing and validation.

5. Is Retell AI good for businesses ?

Yes, Retell AI is good for businesses with scalable voice automation, while Dograh AI adds strength in AI-to-AI testing and reliability.

6. Is retell AI HIPAA ?

Yes, Retell AI is HIPAA compliant, ensuring secure handling of sensitive healthcare data with enterprise-grade protection.

7. What is the latency of retell AI?

Retell AI offers sub-800ms latency for smooth calls, while Dograh AI goes further with sub-500ms response times for faster interactions.

Was this article helpful?

Dograh AI

No code builder for Voice AI. 100% open source