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

The voice automation industry is rapidly expanding across healthcare, telemarketing, customer service, and sales (inbound & outbound). With demand rising, 25% of enterprises using generative AI are expected to deploy voice agents by the end of 2025 and that number could double by 2027. These AI agents enable 24/7, always-available customer support.

In this blog, we compare two leading voice automation platforms, Dograh AI and Smallest AI. We’ll cover their features, performance, user experience, integrations and pricing to help you see what each one delivers. By the end, you’ll have a clear picture of which platform is the better fit for your voice automation needs.

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In-depth Smallest AI vs Dograh AI Comparison

Open-source platforms like Dograh AI are leading the evolution of AI voice agents, offering low latency and ready-to-use templates for faster deployment.

1. Dograh AI

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

• Free Open Source - Dograh is an free open source voice ai platform giving full flexibility to developers to customize, self host and extend features. Users should be able to try out in 1 line (should take <2mins ideally).
• 2 Min Launch - In the Create Workflow Dashboard, you can launch a voice agent in just 2 minutes by selecting inbound or outbound calls and writing “For the use cases of…” to describe your agent (e.g., qualify real estate leads, screen candidates, or handle customer support). This description becomes the LLM prompt, instantly generating your customized workflow.
• Pre Built Template - Dograh’s Pre-Built Templates let you launch an AI voice agent in just 2 minutes without writing any code or prompts, with easy customization through a global node for user-specific preferences.
• Global Node - The global node enables users to tailor their voice agents with specific preferences, such as updating industry names or applying custom modifications for personalization.
• License - Dograh AI is released under the BSD 2-Clause License, the same license as its foundational projects, ensuring full compatibility and the freedom to use, modify, and distribute.
• 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.
• 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.
• No Double Billing - Dograh offers transparent pricing with no double billing charges for STT, TTS and LLM. And the open source solution is free to host and use.
• End-to-End Support - Dograh’s professional team offers end-to-end support from integration and workflow setup to analytics and optimization.
• Faster Setup - Dograh offers drag and drop workflow builder UI and prebuilt workflow as per your business needs.

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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. Dograh AI: Quick Start Demo

2. Run Docker Command

Download and Start Dograh first startup may take 2-3 mins to download all images

Docker

3. Quick Start Instructions

Describe use case

Create Workflow Dashboard

Auto-generated templates - test your bot and customize quickly

Dograh AI Dashboard

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

• Open Dashboard: Launch http://localhost:3000 on your browser.
• Choose Call Type: Select Inbound or Outbound calling.
• Name Your Bot: Use a short two-word name (e.g., Lead Qualification).
• Describe Use Case: In 5–10 words (e.g., Screen insurance form submissions for purchase intent).
• Launch: Your bot is ready! Open the bot and click Web Call to talk to it.

4. Community & Support

Join Slack Community and discuss issue with Dograh experts :

Join Slack Community

5. Additional Resource

Smallest AI  Vs Dograh AI Detailed Comparison

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

In the Create Workflow Dashboard, you can launch a voice agent in just 2 minutes by choosing inbound or outbound calls and describing its use case (e.g., qualifying real estate leads, screening candidates, or handling support). This description becomes the LLM prompt to auto-generate a custom workflow. Dograh AI’s intuitive no-code, drag-and-drop builder lets users design conversational flows, arrange logic nodes (Start Call, Agent Response, End Call), and connect decision branches to enable advanced 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.

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.

Dograh AIDograh AI

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.

Dograh AIDograh AI

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

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Dograh AIDograh AI

2. Smallest AI

Getting Started with Smallest AI

Smallest AI offers Free, Personal, Business, and Enterprise plans with a free 1 AI Agent and $1 free test credits. Overage charges are billed at $0.05 per 1,000 characters once plan limits are exceeded, ensuring flexible scalability as usage grows. To get started, you will need to:

1. Sign Up and Access the Platform : Create an account at smallest.ai website. Choose your plan Free,Personal, Business and Enterprise for access to feature and concurrent support.
2. Explore Documentation and SDKs : Explore documentations for agent creation, workflow configuration and step-by-step guides on setup. Python and Node.js SDK for agent management, campaign orchestration and API driven integration.
3. Setup your First Agent : Create a “voice atom” in the dashboard or SDK, choose your TTS/ASR settings and language, then define conversation flows through API, structured input, or automation tools like Zapier, Make, and N8N.
4. Integrate with External Platform : Connect your CRM, helpdesk, or telephony systems (SIP, Twilio, Vonage), then use APIs, webhooks, or tools like Zapier/Make.com to automate workflows and trigger actions around calls.
5. Test and Launch : Run test campaigns to simulate heavy traffic, track performance in real-time dashboards, and refine dialogue and workflow settings before going live.
6. Developer Support : For bigger deployments, get dedicated developer support for integration and scaling, plus community resources and docs for fast prototyping.

Voices

Smallest AI supports more than 50+ global languages with full professional grade voices including U.S, UK and Indian English, Hindi, Arabic, German, Telugu, Tamil etc.. as compared with competitors like cartesia supports only 13 languages. Voices supported by Smallest AI have more than 100+ voices with rich languages and dialects.

Speech Modelling 

Smallest AI focuses on advanced speech modeling techniques for delivering ultra-low latency, to achieve real time voice synthesis built for enterprise-scale voice applications. Smallest AI Lighting V2 text-to-speech model set a new benchmark for speed and quality. The best in class ASR (Automatic Speech Recognition) ensures accurate, real time speech-to-text transcription. Multi dialects and multilingual support over 50+ global languages, incorporates language specific phonetic modelling for authentic speech outputs.

Personalization Options

Smallest AI offers extensive personalization options designed to create highly realistic, engaging and brand consistent voice experiences :

• Instant Voice Cloning : Help in generating highly accurate voice clones, enabling rapid personalization options.
• Developer Control : Rich API and SDKs allows teams to fine tune speech parameters, customize voice persona deployment.
• Voice Customization : Smallest AI gives the option to customize between 50+ global languages and 100+ voices with rich languages and dialects.
• Real-Time Adaption : Smallest AI adjusts voice style dynamically during conversations, and also adjusts responses based on personalization context.
• Conversation Memory : Smallest AI can remember user preferences, interaction history and adjust responses based on personalization context.

Interface and Setup

Smallest AI offers a developer centric, API first interface designed for rapid voice agent setup, customization and scalable deployment :

What You’ll Build with Smallest AI :

• Real Time Conversational Voice Agent : Automate customer support, lead qualification, appointment scheduling and surveys with natural customizable voices supporting multiple languages.
• Voice Cloning Deployments : Create brand-customized voices or build agents that handle diverse languages.
• Customer Engagement Bots : Create bots that use smart sales techniques and AI to automate your workflow.
• Cloud-Deployed Bots : Users can build scalable bots deployable on minimal hardware for low latency or on cloud infrastructure for volume and scale.

Limitations :

• Hidden Fees : Voice cloning costs $25 on basic plans, and custom model setup and maintenance add extra charges, increasing total ownership costs.
• Limited Documentation & Support : Users report a steep learning curve, few tutorials, and minimal community engagement, making setup challenging for non-technical teams.

Smallest AI Security and Compliance

Smallest AI ensures enterprise-grade security and compliance for protecting sensitive data across industries.

• HIPAA Compliant : Smallest AI is compiled with Health Insurance Portability and Accountability Acts protects sensitive patient health information.
• SOC Type II : Smallest.ai has completed a SOC 2 Type II security audit and is reviewed every year to make sure it continues meeting strict data protection standards.
• GDPR : Smallest ai is GDPR Compliant, meaning it adheres to EU General Data Protection Regulation standards to protect personal data and privacy of EU citizens.
• ISO 27001 : Smallest ai complies with ISO 27001 standards, for maintaining information security management system.

Smallest AI Customer Support

Smallest.ai provide multi channel customer support to adhere user issues efficiently :

• Discord Community : https://discord.gg/xNBrdjdBa6
• GitHub : https://github.com/smallest-inc/
• Linkedin : https://www.linkedin.com/company/smallest/
• Twitter : https://x.com/smallest_AI

Use Cases

• Customer Support
• Sales Agent
• Real Estate Agent
• Data Collector
• Interview Screening

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

If you’re exploring conversational automation or looking for a Smallest AI alternative, Dograh AI stands out as a top choice.

Key Features

• 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.

Smallest AI vs Dograh AI : Pricing Compared

Smallest AI uses a tiered subscription model with optional usage-based add-ons, designed to support both startups and enterprise-scale deployments.

How Smallest AI Pricing Works :

• Flat Monthly Subscription: Each plan offers a fixed number of tokens or call minutes with defined feature access.
• Pay-as-You-Go (PAYG): Overage fees apply for usage beyond plan limits, billed per character or minute.
• No Lock-ins: Easily upgrade or downgrade plans anytime.
• Volume Discounts: Enjoy reduced per-minute or token rates as your usage scales.

Core Pricing Structure

The High Plan is designed for larger teams running 10 agents with custom latency and continuous 24/7 usage. It falls under the Enterprise tier, starting at $1,999+, with additional costs of $400 for infrastructure and $200 for model usage, bringing the total to around $2,500 per month on average.

Hidden Costs Discovered:

• Overage charges : $0.05 per 1,000 characters beyond plan limits
• Voice cloning : $25 per voice on the Starter plan
• Priority processing : 50% extra for sub-100ms latency
• Custom models : $500 setup + $200/month

Smallest AI Review 

Smallest.ai is a robust platform for real-time, scalable voice AI, though buyers should note limited pricing transparency and documentation, which may extend onboarding.

Dograh AI reviews

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