LiveAvatar by HeyGen

API-first streaming platform designed to deploy hyper-realistic AI digital twins and interactive conversational avatars with real-time lip-sync and low latency.

Cost

Free Tier

Rating

★ People love it

Time to value

Quick Setup (< 1 hour)

You can use LiveAvatar to create lifelike AI avatars that respond in real-time through voice, video, and text. Build custom avatars from just 2 minutes of footage or choose from pre-made ones. Integrate avatars into your applications via API for customer support, education, training, sales demos, and interactive presentations. The avatars provide natural facial expressions, lip sync, and body language for engaging conversations.

What LiveAvatar by HeyGen does

Record 2-minute video to train custom avatarIntegrate avatar API into existing applicationsConfigure real-time voice and video streamingSet up concurrent avatar sessions for multiple usersConnect avatars to large language modelsCustomize avatar appearance and behaviorMonitor avatar performance and usage analyticsScale avatar infrastructure for enterprise deploymentCreate custom avatars from 2-minute video footageReal-time voice and video interaction with low latencyNatural facial expressions and lip synchronizationPre-made avatar library across different demographicsAPI-first architecture for easy integrationSupports concurrent sessions at scaleFull mode includes LLM and TTS integrationLite mode provides pure avatar streaming API