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AI Voice Agent SDK

AI Voice Agent SDK

The open-source framework for real-time AI voice

Website videosdk.live
Overview

What it is

VideosDK provides developer tools and low-latency infrastructure to build, scale, and secure immersive live audio/video + AI communication.

Intent

I need it when

Deploy voice agents at scale with low latency and high reliability

VideoSDK provides global edge network infrastructure with 150ms worldwide latency, 99.99% uptime SLA, and support for 20K+ concurrent users. Developers can monitor session-level logs, device types, and performance metrics in real-time across thousands of parallel calls.

Integrate voice agents into existing business applications without building infrastructure

VideoSDK offers pre-built agent deployment with configurable STT/TTS/LLM components (supporting providers like Google Gemini, Sarvam), VAD plugins, and turn detection. Clean, readable code examples in Python and JavaScript allow integration in minutes with no credit card required for free tier.

Connect voice agents to phone systems and enable telephony-based interactions

VideoSDK's Telephony (SIP) Integration feature connects agents to existing phone systems via SIP, supporting US local inbound ($0.02/min) and toll-free inbound ($0.04/min) calls. This enables voice agents to handle customer calls without requiring app downloads.

Build AI-powered voice agents that handle customer interactions via phone or app

VideoSDK's AI Voice Agent SDK enables developers to create conversational agents with STT, LLM, and TTS pipelines. Agents can be deployed in minutes with SDKs for Web, iOS, Android, Flutter, and React Native, supporting both cloud sessions and SIP telephony integration for inbound/outbound calls.

Combine voice agents with video/audio calling and live streaming in one platform

VideoSDK provides unified real-time communication platform combining AI Voice Agents, audio/video calling ($0.001-$0.004/participant-min), and interactive live streaming ($0.002-$0.004/viewer-min). Single SDK integration enables multi-modal communication experiences with shared infrastructure and billing.

Drop

Not a fit when

  • User needs fixed monthly pricing with no usage-based billing variability
  • User requires on-premise or self-hosted deployment without cloud infrastructure
  • User needs voice agent without real-time audio/video communication capabilities
  • User operates in regions not covered by VideoSDK's 40+ country global mesh network
  • User requires voice agent with no integration to telephony or SIP systems
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Pricing

Pay-as-you-go with free tier and enterprise options. Agent Cloud Session: $0.01/min, Agent Reserved: $0.0005/min, US local inbound: $0.02/min, US toll-free inbound: $0.04/min. Free $20 credit included. View pricing