Interactive Avatars - Build Real-Time Avatars

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Early LIVEKIT SDK ACCESS

Get started with Interactive Avatar experiences

Build Interactive Avatars that can listen, talk, and respond directly inside your product, website, or internal tools.

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Emotional Rollercoaster

Ask me to act angry, sad, or thrilled

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AI Advisor

Ask me how to use AI in your daily workflow

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Practice giving feedback

Role-play a tough performance review with me

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Sales Concierge

Ask me anything about building videos in Synthesia

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Play a Game

Guess which animal I'm thinking of

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World Cup QA

Quiz me on World Cup history and stats

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Space Alien

Discover the Solar System

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How it works

How Interactive Avatars work

A user starts a conversation

The experience begins inside your product, website, internal tool, or other supported environment.

App connects to your logic or agent layer

Your application controls the conversation logic, knowledge sources, and workflow behind the experience.

Synthesia powers the avatar layer

Synthesia renders the Interactive Avatar experience, including speech, visual response, and listening behavior.

The avatar responds to the user

The result is a live avatar experience that can respond to user input and guide the conversation based on your setup.

What Interactive Avatars can do

Use Interactive Avatars to create more engaging, human-like experiences.

Sales & Cold Calling

AI reps that pitch, handle objections, and close in Interactive conversations.

Customer Support

Always-on support agents that resolve issues with empathy and product knowledge.

Training & Coaching

Interactive trainers that adapt to each learner’s pace and knowledge level.

Employee Onboarding

Personalized onboarding guides that answer questions and walk through processes.

Building something different?

Tell us what you're working on. We're giving early access to teams pushing the boundaries.

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FAQs

Interactive Avatar FAQs

What can I create using Interactive Avatars?

Interactive Avatars can be used to explore experiences for products, websites, internal tools, training flows, support journeys, kiosks, and other conversational use cases.

Can I bring my own LLM?

The beta is designed for teams that want to connect their own LLM, agent, or conversational logic and use Synthesia to power the avatar layer.

How does the integration work?

The Synthesia Interactive Avatar is a plugin component you attach to your LiveKit Agent. Your agent produces speech the way it always does. The component then routes that audio to the hosted avatar worker, which renders an expressive Interactive Avatar and publishes it to your LiveKit room as a regular participant.

Is this a public API already?

Not yet. Interactive Avatars is currently available through a closed beta while we test quality, latency, integration patterns, and enterprise requirements with selected teams.

How can I get access to the closed beta?

Submit the early access form and tell us what you’re building. Our team will review requests and follow up with selected teams.

What are the current limitations?

Interactive Avatars is still in beta. We are actively improving quality, expressiveness, listening behaviors, interruption handling, latency, and repeatability across sessions.

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Ready to build with Interactive Avatars?

Connect your own agent or conversational logic to Synthesia's Interactive Avatars.

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Synthesia is the #1 AI Video Platform for Business. Our AI Video Generator enables anyone to create professional videos without mics, cameras, actors, or studios.

Using AI, we’re radically changing the process of video content creation, making it scalable and affordable while maintaining high quality.

Synthesia Ltd, 20 Triton Street, Regent's Place, 3rd Floor, London NW1 3BF, United Kingdom.

Features

All FeaturesAI Avatar Generator160+ LanguagesPowerPoint to VideoCustom AvatarsFree AI Video GeneratorFree AI Image GeneratorAI Video EditorAI Voice GeneratorAI Voice CloningAI Screen RecorderAI Text to VideoScript to VideoSynthesia ToolsAI Script GeneratorVideo Translator

Use Cases

Learning & DevelopmentSales EnablementInformation TechnologyCustomer ServiceMarketingEducational VideosEmployee Training VideosInstructional VideosVideo Production<br>Resources

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