Comparing Top 10 Vapi AI Alternatives & Competitors in 2025
Vapi offers a voice automation platform tailored for developers and enterprises. But users have faced challenges with its complexity, pricing, reliance on external APIs, and scalability concerns. In this blog we discuss Vapi AI alternatives and compare them.
Vapi platform makes you pay for both its platform and external APIs (STT, LLM, TTS), making voice bot scaling costly for businesses. Vapi charges $0.05/min plus separate fees for STT, LLMs, and TTS pushing total costs above ($0.23/min - $0.33/min) at scale, far higher than competitors.
Vapi has a 2.6 star rating on Trustpilot, reflecting broad user dissatisfaction. In this blog, we’ll explore its key drawbacks and share more affordable, scalable alternatives for building better voice AI solutions.
Key Challenges
- Time-Intensive and Iterative Process : Achieving a reliable and accurate voice bot on Vapi often requires enduring a prolonged development process and continuous refinement. The bot has to be manually tested again and again after each change by talking to it.
- Need for Deep Prompt Engineering Experience : Building on Vapi requires deep expertise in prompt engineering with voice bots. Users struggle to create natural interactions, leading to sub-par user experience.
- Complex for Non-Tech Teams : Vapi needs coding and API knowledge, making it tough for teams without technical expertise.
- Hidden Costs Add Up : Actual usage rates often climb to $0.25–$0.33/min due to separate charges for LLMs, STT, TTS and telephony.
- Support Gaps & Patchy Docs : Users face inconsistent help and incomplete documentation, especially during fast-paced updates.
Why organizations look for Vapi alternatives
Organizations seek Vapi alternatives due to its fragmented pricing, poor customer support and lack of out-of-the-box simplicity. Non-technical teams often find it challenging to manage without dedicated engineering support.
List of Alternatives
- Dograh AI
- Synthflow
- Bland AI
- Retell AI
- Air AI
- Poly AI
- Goodcall
- Voice Flow
- Lindy
- Smallest AI
Conversational AI Collective
Best Vapi AI Alternative Recommendation
If you're looking to automate your conversational workflows or seeking a Vapi alternative, here are 10 top options. We've reviewed each AI agent based on key features, pros, ideal users, challenges and pricing.
1. Dograh AI
Dograh stands out as a powerful open source alternative to Vapi with several advantages :
- Open Source - Dograh is an open source voice ai platform giving full flexibility to developers to customize, self host and extend features.
- 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 an open source solution to self host. And its cloud solution has transparent pricing with no double billing charges for STT, TTS and LLM.
- 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.
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.
Ideal Users
- Real Estate Agent
- Customer Support
- Sales and Marketing Automation
- Tech Support
- Finance, Insurance and Banking
- E-Commerce
- Healthcare
- Logistics & Home Services
- Travel & Hospitality
Pricing
Dograh offers an open source solution without any platform charges. This makes it more cost-effective, customisable and scalable compared to Vapi.
Quick Comparison Table
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.
2. Synthflow
Synthflow was founded in 2023, is a no code voice ai platform that automates phone calls using voice ai agents. It is designed for both inbound and outbound calling, handling everything from appointment booking and lead qualification to customer support. But Synthflow relies on old technology offering a single agent bot - thus making it inherently prone to hallucinations and mistakes. Synthflow is best suited for smaller and multilingual use cases.
Key Features :
- No Code Builder
- Human-Like, Low Latency Voice
- Multilingual Support
- Text-to-Speech (TTS) and advanced transcription features
- CRM Integration - HubSpot , Highlevel and Zapier
- Workflow Automation, inbound calling, outbound calling, and lead qualification
- Dedicated Customer Support
3. Bland AI
Bland AI was launched in 2023, the company focuses on offering conversational AI platforms for automating phone calls. Bland AI is looking to revolutionize phone communication with scalable, secure and highly customizable AI agents for customer support, sales and operations.
Key Features :
- Ultra Realistic AI Phone Calls - Human Like
- Self Hosted End-to-End Infrastructure
- Expert Implementation
- Data in House to store and manage data
- SOC2 Type II Complaint for Security
- GDPR / HIPPA Complaint
- Real Time Analytics and 99.9% Uptime
- Pricing $ 0.09 / Minute (Without Hidden Charges)
4. Retell AI
Retell AI was launched on February 8 2022, Retell AI developed production ready ai voice agent for automating and scaling phone conversations across industries like healthcare, logistics and finance. But just like Synthflow, Retell is still based on old technology and best suited for smaller use cases.
Key Features :
- Retell is SOC 2 Type 1 & 2, HIPAA, and GDPR compliant, meeting all industry compliance standards.
- Natural, smooth, and empathetic AI conversations with only 500ms latency.
- Support 18+ languages, and can dial to any country's phone numbers.
- Effortlessly handle millions of calls with scalable concurrent calling.
- Offer average 99.99% uptime and effortless fallback. Retell AI ensures your agents are always production-ready.
- Provide native and external connectivity to any CRM, telephony, automation platform, and database.
5. Air AI
Air AI was founded in 2023, it is a privately held software development company specialized in conversational AI technology. Automate your 10 - 40 min long phone calls with features like memory and recall.
Key Features :
- Extended conversational capabilities 10 to 40 mins
- Human like conversations.
- Handles hour-long calls, multi-party conversations, deal closing.
- Target industries Technology, Marketing, Sales, and Financing Solutions.
- Genius Mode, infinite memory, no-code builder.
- 24/7 operation.
- 5,000+ app integrations.
6. Poly AI
Poly AI was founded in 2017, focuses on building natural sounding conversational AI solutions. It is extensively used in customer service environments like telecoms, hotels, banks and e-commerce.
Key Features :
- Multilingual Support 12 languages.
- Scalable and 24 / 7 support.
- Immediate response to calls to maintain customer trust.
- Provide actionable insights from real conversations.
- Seamless integration with ( AVAYA, BT etc ).
- ISO 27001-certified, GDPR, HIPPA and SOC2 Type II Security.
7. Goodcall
Goodcall AI was originally incubated in Google Area 120 under the name CallJoy and evolved into Goodcall. It is a cutting edge phone assistant that leverages the power of Chat GPT to provide seamless communication. Focuses on ethical AI usage, transparency, consent in calls, and calls human assistance when needed.
Key Features :
- 97% caller interaction rate.
- Provide easy to use interface with full control over workflows.
- HIPAA Compliant Phone AI Agents.
- Integration with Google cloud AI.
- Ethics focused AI usage.
- AI phone agents and virtual receptionist for local businesses.
8. Voice Flow
Voiceflow was founded in 2019, the company provides a platform for building conversational voice ai agents. Voiceflow is a no code platform for designing, prototyping and deploying AI chatbots and AI assistants. It allows users to build complex workflows with custom code.
Key Features :
- No Code and Collaborative Builder.
- Design, test and deploy AI-powered voice agents that are fast, human-like, and scalable.
- Build Chat Agents with deep capabilities and interface customization.
- Supports integration with existing tech stacks.
- Over 250,000 users and teams worldwide.
- Provides APIs, workflow versioning, commenting, and real-time collaboration.
9. Lindy AI
Lindy was founded in 2023 and launched in 2024, is a no code platform that allows users to create and deploy AI powered automations. Lindy offers a mission to empower the future of work by giving every team their own AI employees.
Key Features :
- Connect seamlessly with all your apps, from Gmail to HubSpot.
- Help in providing leads 200+ sources.
- Helps scale operations by offloading routine tasks to AI no extra hires needed.
- Seamlessly connects with over 1,600 applications.
- Supports sales, marketing, recruiting, support and admin teams.
- Saves time up-to 20 - 30 hours per week.
10. Smallest AI
Smallest AI was founded in 2023, the company quickly gained attention for its rapid innovation in high performance voice AI. Human-like voices and smart agents boost customer engagement, with an average call time of 130 seconds.
Key Features :
- Accurate handling of complex cases enables better automation with just 5% human fallbacks.
- Auto-dialers and verified numbers drive 80% call connectivity rate.
- Telephony Analytics Integration.
- Electron SLM, in house model trained on millions of conversation.
- Use Cases in Customer Support, Debt Collector, Interview Screening and Real Estate Agent.
What Should You Look For In Vapi AI Alternatives ?
- Pricing transparency and cost control without hidden charges.
- Ease of building a voice bot and Reliability of the bot.
- Simple Setup with No-Code/Low-Code Options.
- Clear Voice, Low Latency and Natural Speech.
- Seamless integration and workflow automation.
- Security, compliance and deployment option.
- AI-Powered Insights and Optimization with Built-In Testing Tools (e.g., LoopTalk).
Dograh AI
Top 10 Voice AI Calling Development Companies
What to Look for in a Modern Voice Orchestration Platform
Enhanced Usability and No-Code Setup
Modern AI voice platforms offer no-code/low-code visual builders, letting non-developers quickly design and deploy voice agents using drag-and-drop editors, templates and guided setup, cutting time-to-market and dev effort.
High-quality AI phone agents
A great AI voice platform delivers natural, low-latency (under 500ms) speech with realistic human-like tone, pauses, and emotional nuance, it is crucial for long, multi-turn conversations using NEPQ-led persuasion without losing context or drifting off-topic.
Transparent & Low Pricing
Transparent pricing is essential for businesses aiming to scale efficiently. Many modern AI voice platforms offer bundled pricing that includes STT, TTS and LLM usage. This eliminates hidden costs and avoids double billing issues.
Dograh AI
AI Cold Calling Real Estate Script & Best Practices | Boost Leads with Voice AI
How to Choose Between so many Vapi Alternatives ?
When selecting a Vapi.ai alternative, keep these key factors in mind, and Dograh standing out across multiple areas:
- Open Source: Dograh offers cost savings, data control, and flexibility with open-source solutions.
- Reliability: Building a reliable voice bot is not trivial and hence Built-In AI Testing and self improving bots can help reduce errors and also with faster time to market.
- Budget: Choose a platform with transparent, all-in-one pricing. Dograh and Insighto.ai offer more cost-effective options compared to Vapi’s layered hidden fees.
- Ease of Use: For non-technical teams, platforms like Dograh, Tabbly, and Voiceflow offer intuitive no-code, drag-and-drop builders to quickly launch voice agents.
- Scalability: If you're aiming for high-volume use, Dograh and Dasha.ai deliver strong infrastructure support and uptime performance.
- Integrations: Dograh, Tabbly, and Synthflow integrate smoothly with CRMs, ERPs, Slack and other business tools for streamlined automation.
- Multilingual Support: Dograh and Dasha.ai offer robust language capabilities, making them ideal for teams serving a global audience.
Dograh AI
The Ultimate Guide to AI Calling Implementation - By Dograh AI
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
Dograh Sign Up & Platform Homepage
2. Quick Start Instructions
How to Build AI Voice Agent - Step by Step 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
How to Build AI Voice Agent with No Code ( Step - by - Step )
Discover how to easily create agents, design workflows, and integrate CRMs using Dograh code-free, with real business examples included.
4. Book a Demo
Schedule a personalized walkthrough with Dograh experts
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
The Ultimate Guide to AI Calling Implementation by Dograh
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FAQ's
1. Can Dograh be customized to suit business needs ?
Yes, Dograh can be fully customized to match your business needs, whether it's lead generation, support automation or sales. Its flexible workflow builder adapts to your specific goals. Moreover the open source offering can be adapted to any custom scenario.
2. How does Dograh ensure data security and compliance ?
Dograh ensures data security, HIPAA and GDPR compliance, with encrypted communication and strict access controls to protect sensitive business data. Its open source offering enables meeting any data security and compliance requirements.
3. Can Dograh be integrated with existing tools and systems ?
Yes, Dograh integrates seamlessly with existing tools and systems like CRMs, ERPs, and communication platforms, ensuring smooth workflow continuity and minimal setup friction.
4. What is the alternative to Vapi ?
A strong alternative to Vapi is Dograh, an open source voice AI platform, offering LoopTalk for real-time testing, NEPQ-led emotional sales conversations, and minimal hallucination making it ideal for reliable, persuasive voice AI at scale.
5. Is Vapi worth visiting ?
Vapi may offer basic voice automation tools, but with high costs, double billing, and limited flexibility, it’s often not worth it for businesses seeking scalable, affordable voice AI solutions.
6. How much does Vapi AI cost ?
Vapi AI costs include a $0.05/min platform fee plus charges for STT, LLM, and TTS services pushing total rates to $0.23–$0.33/min at scale, making it expensive compared to alternatives.
7. What is the alternative to retell AI?
A strong alternative to Retell AI is Dograh, which offers a no-code platform, NEPQ-led sales flows, and LoopTalk for real-time testing all with lower latency and no double billing.
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