The vapi.ai alternative that actually works

The Open-Source Voice AI Stack

Build and deploy production-ready, multi-tenant AI voice assistants in minutes, not months.

0.8-1.2s latency
No hidden costs
UI that works

Integrates With The Tools You Already Use

Twilio OpenAI Deepgram Anthropic ElevenLabs Groq

Why Developers Choose Burki Over vapi.ai

"I was a vapi.ai power user for 2.5 years. The UI never worked properly, latency was terrible (4-5 seconds), and their recent pricing changes would cost my startup $800/month. With Burki, I get sub-second response times and complete control over my costs."

— Real user experience that inspired Burki

5x Faster Response

Burki 0.8-1.2s
vapi.ai 4-5+ seconds

Transparent Pricing

Burki $0 (self-hosted)
vapi.ai $0.07-$0.30/min

UI That Works

Burki Beautiful & Functional
vapi.ai Notorious UI Issues

An All-in-One Platform

Burki provides the entire stack you need to build, deploy, and manage voice agents at scale.

Multi-Tenant Architecture

Manage multiple organizations and assistants from a single deployment, with complete data isolation.

Real-time Analytics

An integrated dashboard provides instant insights into call volume, performance, and costs.

Crystal-Clear Audio

Built-in RNNoise denoising and optimized streaming deliver 0.8-1.2s response times. No more waiting 4-5 seconds for responses.

Provider-Agnostic

Integrate with your favorite LLM, TTS, and STT providers. Own your data and infrastructure—no vendor lock-in or hidden costs.

Developer-First API

A complete REST API and webhooks allow for deep integration and process automation.

One-Command Deploy

Get a full production-ready instance running in minutes with our Docker-based deployment.

Get Started in 2 Simple Steps

From cloning the repo to a running instance in minutes. No weeks of API integration like with vapi.ai.

1

Configure

Clone the repo and add your provider API keys to the `.env` file.

2

Launch & Manage

Run the application and use the web dashboard to create your first assistant.

Ready to Build?

Get started with the world's most powerful open-source voice AI platform today.