LiveKit Agents is an open-source, end-to-end framework designed to facilitate the development of real-time, multimodal AI applications. This framework empowers developers to create programmable, intelligent AI agents that can interact with users through various modalities, including voice, video, and text. LiveKit Agents seamlessly integrates with large language models (LLMs) and other AI models, making it an ideal solution for a wide range of applications.
Features
The LiveKit Agents framework encompasses a variety of features that enhance its usability and functionality in developing multimodal applications. Below is an overview of the specific features available within the LiveKit Agents framework:
| Feature | Description |
|---|---|
| Multimodal Interaction | Supports voice, video, and text exchanges for comprehensive interactions. |
| Stateful Processes | Operates as long-running processes for intuitive user interaction management. |
| Low-Latency Media Transport | Utilizes WebRTC for real-time media transport with minimal delay. |
| Centralized Business Logic | Maintains business logic within the agent for consistent service across platforms. |
| Extensive Plugin Ecosystem | Includes plugins for STT, TTS, and VAD, with options for custom integrations. |
| Agent Lifecycle Management | Efficiently manages agent lifecycle and can handle multiple instances. |
| Orchestration and Scaling | Facilitates load balancing and scaling by adding more servers. |
| Open Source and Edge Optimization | Apache 2.0 licensed, with optimized performance over edge servers. |
Use Cases
LiveKit Agents can be utilized in various scenarios, showcasing their versatility in real-time interactions:
- AI Voice Assistants: Engage users in natural voice conversations for personalized assistance.
- Call Centers: Automate customer service processes by handling incoming and outbound calls.
- Transcription Services: Provide real-time voice-to-text transcription for meetings, lectures, or interviews.
- Object Detection/Recognition: Identify objects in real-time video streams for surveillance and monitoring.
- AI-Driven Avatars: Create interactive avatars using prompts for personalized user experiences.
- Translation Services: Facilitate real-time communication across languages with instant translation.
- Video Manipulation: Apply real-time video filters and transforms for enhanced video conferencing.
How to get started
Getting started with LiveKit Agents involves several steps to develop and deploy your AI applications:
- Agent Code Development: Write a Python or Node.js application defining the entrypoint function for connections and utilize included or custom plugins.
- Frontend Integration: Create a frontend using LiveKit’s SDKs for WebRTC transport and media device management, utilizing the Agents Playground for testing.
- Environment Setup: Configure environment variables such as
LIVEKIT_URL,LIVEKIT_API_KEY, andLIVEKIT_API_SECRET, along with any necessary API keys for integrations. - Running the Agent: Start the worker using commands like
node my_agent.js startornode my_agent.ts connect --room <my-room>to join an active room.
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LiveKit Agents Pricing
The pricing for LiveKit Agents is structured across several plans:
- Build Plan: $0/month (free)
- Ship Plan: $50/month
- Scale Plan: $500/month
- Enterprise Plan: Custom pricing, contact sales
Additional Fees
LiveKit also has a connection fee starting at $0.0005/minute, which decreases with volume, and a lower bandwidth fee starting at $0.12 per GB, which also decreases with volume. There is no charge for upstream bandwidth.