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LiveKit
Build and scale realtime AI agents. Open source.
voice AIopen sourcerealtime communication
2025-04-13
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Product Introduction

  1. LiveKit is an open-source platform designed for building, deploying, and scaling realtime voice AI agents and communication systems. It provides developers with tools to create enterprise-grade applications with ultra-low latency and global scalability.
  2. The core value lies in its ability to simplify complex realtime communication workflows while maintaining enterprise-grade reliability, making it ideal for applications requiring voice interactions at scale.

Main Features

  1. Ultra low-latency edge infrastructure: LiveKit Cloud ensures sub-100ms global latency for realtime voice interactions, powered by WebRTC and optimized for large-scale deployments.
  2. State-of-the-art Voice AI tools: Includes built-in noise cancellation, semantic turn detection, and integrations with leading STT (Speech-to-Text) and TTS (Text-to-Speech) providers like Deepgram and Cartesia.
  3. Agents Framework: A Python-based framework for creating customizable voice agents with LLM integration (e.g., GPT-4o), automatic turn detection, and interruption handling for natural conversations.

Problems Solved

  1. Eliminates the complexity of building scalable, low-latency voice AI systems from scratch, particularly for use cases like customer service bots, robotics, and livestreaming.
  2. Targets developers and enterprises needing to handle millions of concurrent calls with GDPR/HIPAA compliance and 99.99% uptime guarantees.
  3. Ideal for scenarios requiring realtime voice interactions, such as ChatGPT’s Advanced Voice Mode, telephony integrations, and multi-platform app deployments.

Unique Advantages

  1. Combines open-source flexibility with enterprise-grade infrastructure, allowing self-hosting or cloud deployment via LiveKit Cloud.
  2. Innovates with semantic turn detection and automatic interruption handling, enabling fluid human-agent conversations without manual engineering.
  3. Competitive edge through proven scalability (3+ billion annual calls), prebuilt integrations, and a unified platform for WebRTC, LLMs, and telephony.

Frequently Asked Questions (FAQ)

  1. Is LiveKit truly open source? Yes, the core framework is MIT-licensed, while enterprise features like LiveKit Cloud offer managed scalability and compliance certifications.
  2. How does it handle global latency? Uses edge infrastructure optimized for WebRTC, ensuring sub-100ms latency via geographically distributed servers.
  3. Can I integrate custom LLMs or voice models? Yes, the Agents Framework supports modular integration of STT, TTS, and LLM providers, including OpenAI and custom models.
  4. What compliance standards are met? LiveKit Cloud complies with GDPR, HIPAA, and SOC 2 Type 2, making it suitable for healthcare and enterprise use.
  5. How is billing structured? Offers a free tier with 50GB monthly usage, plus pay-as-you-go pricing for scale. Custom plans are available for high-volume users.

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