LiveAvatar is real-time AI avatar technology that enables lifelike realtime and interactive conversations between softwares and end users. Unlike pre-recorded media, LiveAvatar listens and responds instantly, delivering spontaneous AI-driven dialogue with natural facial animation and lip-sync. It's designed to transform the way people communicate with machines, making digital interactions more human, engaging, impactful, and accessible to everyone.

Who is LiveAvatar for?

LiveAvatar empowers software developers and businesses to build the next-generation AI solutions through a real-time, multimodal interface that delivers scalable human presences, fundamentally transforming how users perceive and interact with AI systems.

What are the key features of LiveAvatar?

Hyper-realistic avatars: The most lifelike digital humans powered by HeyGen's cutting-edge technology. Real-time interaction: Supports natural, 2-way communication through voice, video, and text with low latency, enabling smooth, lifelike conversation between users and AI in real time. API-first architecture: Easily integrate LiveAvatar into existing products, workflows, or AI applications with our API and SDK. View docs here . Scalable performance: Built to support large-scale, concurrent sessions with consistent quality. Low latency: Optimized infrastructure ensures smooth, responsive real-time experiences, delivering some of the fastest performance on the market.

What's the process to create a custom LiveAvatar?

To train a LiveAvatar, submit a continuous 2-minute video with these three parts: Listening (15 seconds) Talking (90 seconds) Listening (15 seconds) The footage must be continuous, with no cuts or edits. You can review the best practices here .

How do LiveAvatar credits work?

A credit buys 30 seconds of streaming in Full Mode, or a full minute in Avatar Only mode. More specifically: • 2 credits = 1 minute of streaming when you build with Full mode • 1 credit = 1 minute of streaming when you build with Avatar Only mode Note, LiveAvatar credits are independent of HeyGen API credits. For more details, please check out our API documentation .

What are the LiveAvatar use-cases?

LiveAvatar is versatile and widely applicable across industries: Learning & Development: Empower teams through customized and immersive training. Education & Training: Create adaptive, engaging learning experiences. Customer Support: Deliver fast, human-like assistance. Live Presentations: Host dynamic product demos, webinars, and events. Sales Enablement: Drive stronger engagement and lead qualification. Celebrity: Enable interactive fan engagement and live digital appearances.

Can I try LiveAvatar today?

Yes, visit our app and chat with sample LiveAvatars or create your own! You can sign up for a free account to explore more avatars, or try our API integration using free credits with zero commitment.

Real-time Avatar API by HeyGenUnlimited concurrency
Pennies a minute

Professional-grade 1080p avatars — one session or ten thousand at once. Rates fall to $0.01/min at scale.

npx add-skill heygen-com/liveavatar-agent-skills

Get API Key

API docs Get API Key

Sales Agent

Language Learning

Business Coach

Language Learning

Trusted by industry pioneers and category creators

Cost of additional concurrent sessions: $0
Streaming rate at the top volume tier: $0.01 / min
Median time to first frame: <300ms
API uptime: 99.99%
Half and full body frames supported: 1080p avatars

Features

The human touch
that completes your AI

Get started API docs

Full-body. 1080p. Real time.

Choose half-body or full-body framing — facial detail, gesture, and movement captured at professional grade.

100+ preset avatars, easy customization

Start from the preset library, or build your own from an image or two minutes of footage.

High-performance API, smooth onboarding

First frames under 300ms, and a five-minute setup developers run on their own.

Enterprise-ready scale and reliability

Global infrastructure that holds its numbers at volume — 99.99% uptime, unlimited concurrency.

Full-body. 1080p. Real time.

Choose half-body or full-body framing — facial detail, gesture, and movement captured at professional grade.

100+ preset avatars, easy customization

Start from the preset library, or build your own from an image or two minutes of footage.

High-performance API, smooth onboarding

First frames under 300ms, and a five-minute setup developers run on their own.

Enterprise-ready scale and reliability

Global infrastructure that holds its numbers at volume — 99.99% uptime, unlimited concurrency.

Features

Lifelike presence your users trust

Expression, timing, and eye contact that read as human — so the conversation builds the trust your product depends on.

Features

Custom avatars from a single image or 2 minutes of footage

A fully on-brand avatar that's yours alone — cloned once, then streamed to every user at once.

Features

Low latency, at any concurrency

First frames in under 300ms — and it holds when traffic spikes, because there's no session cap to hit.

API docs

Features

Lifelike presence your users trust

Expression, timing, and eye contact that read as human — so the conversation builds the trust your product depends on.

API docs Get started

Features

Custom avatars from a single image or 2 minutes of footage

A fully on-brand avatar that’s yours alone — cloned once, then streamed to every user at once.

API docs Get started

Features

Low latency, at any concurrency

First frames in under 300ms — and it holds when traffic spikes, because there’s no session cap to hit.

API docs Get started

API

From API key to live avatar in five minutes.

import http from 'http'

http.createServer(async (req, res) => {
  if (req.url === '/api/token' && req.method === 'POST') {
    const response = await fetch('https://api.liveavatar.com/v1/sessions/token', {
      method: 'POST',
      headers: { 'X-API-KEY': process.env.LIVEAVATAR_API_KEY },
    })

    const { data } = await response.json()
    res.end(JSON.stringify({ token: data.session_token }))
  }
}).listen(3000)

Pick an avatar. Preset library, or your own consented likeness.

Choose Full or Avatar Only — our full stack, or bring your own LLM and TTS.

Mount the stream. One element — interruption handling and auto-reconnect built in.

API docs

Get started API docs

import http from 'http'

http.createServer(async (req, res) => {
  if (req.url === '/api/token' && req.method === 'POST') {
    const response = await fetch('https://api.liveavatar.com/v1/sessions/token', {
      method: 'POST',
      headers: { 'X-API-KEY': process.env.LIVEAVATAR_API_KEY },
    })

    const { data } = await response.json()
    res.end(JSON.stringify({ token: data.session_token }))
  }
}).listen(3000)

Set up

Your stack or ours

Ship with our full voice stack, or bring your own. Same avatars, same API, either way.

Get started API docs

Full Mode

QUICKEST SETUP

Voice stack, streaming, and infrastructure included. Plug in and launch.

AvatarsStreamingASRLLMTTSVoice Agent

Avatar Only

MORE CONTROL AT LOWER COST

Bring your own voice stack. We handle the avatar and real-time streaming.

AvatarsStreamingYour ASRYour LLMYour TTSYour Voice Agent

Customer stories

Hear it from our customers

Thought Leadership

How LiveAvatar fuels Reid Hoffman's digital twin to scale insights — reaching over 50M+ views and counting

50M+

views on social media with avatar content

10k+

questions answered on Reid’s behalf

50+

live events featuring Reid AI

Retail

How Fortune 500s are leaning into AI-powered holograms experience in physical spaces brought by Proto Hologram and LiveAvatar

300+

global large-scale enterprise customers

90%+

customer retention rate

30+

of the Fortune 500 have purchased their Proto

Language Learning

How Master English helps 60,000+ professionals speak English fluently with LiveAvatar

60K+

active, paying users globally

90K+

conversation lessons completed in a single month

4.9

App Store score with 50,000+ ratings

Academic Learning

How edYOU achieves 3000%+ growth using LiveAvatar to deliver personalized learning without added teacher burden

3000%+

customer base growth over 2 years

15%+

higher student test scores with 15 minutes / day

24/7

test and course preparation

Recruiting

How Zeligate saves clients 27 hours per hire on average by using LiveAvatar to turn hiring bottlenecks into a competitive advantage

14,000+

candidates interviewed and growing

35%+

month over month growth

27 hours

saved per hire on average

Sales Training

How Copient AI sets the curve for over 2,500 hours of sales training with LiveAvatar technology

15,000+

role-plays completed

30+

clients onboarded across US

2,500+

hours of training offered

Watch Full Customer Story

How LiveAvatar fuels Reid Hoffman's digital twin to scale insights — reaching over 50M+ views and counting

50M+

views on social media with avatar content

10k+

questions answered on Reid’s behalf

50+

live events featuring Reid AI

Watch Full Customer Story

Scales up. Prices down.

A plan for every stage — and a per-minute rate that falls at every step, down to $0.01 in Enterprise.

Free

Full API access. Zero commitment.

$0

10 credits / mo

Get started

Includes

Full 1080p preset avatar library
Full API and integration access
Watermark included

Performance

Max 1 concurrency
Max 2 min / session

Essential

Popular

Your own branded avatar, in front of real users.

$99

1,100 credits / mo

Get started

Includes

1 custom avatar (720p)
Watermark removed

Performance

Unlimited concurrency
Max 20 min / session

Add-ons

720p custom avatars
Pay as you go overage

Business

Built for production traffic, at a lower rate.

$475

6,000 credits / mo

Get started

Includes

1 custom avatar (1080p)
Watermark removed

Performance

Unlimited concurrency
Max 60 min / session

Add-ons

1080p custom avatars
Pay as you go overage

Enterprise

Dedicated capacity, custom terms, and rates down to $0.01/min.

Custom

Contact sales

Includes

White-glove avatar fine-tuning
Custom session duration
Dedicated capacity & SLA
SSO, Admin control, audit logs

Trust and Safety

Built to protect your data

Fast, secure and ethical by design

We believe ethical AI means putting user safety and data protection first. We embed privacy, transparency, and accountability into our technology and policies, ensuring your data is safeguarded at every step. That's why our infrastructure is certified to meet global security and compliance standards. By designing AI that respects user rights and prevents misuse, we make real-time human presence accessible, secure, and ethical for all.

Learn more

Got questions?We have answers.

Everything about LiveAvatar — pricing, credits, custom
avatars, and how it differs from HeyGen.

Get started API docs

HeyGen vs LiveAvatar: What's the difference?

HeyGen vs LiveAvatar: What's the difference?

Production-ready on day one

Unlimited concurrency. Professional-grade 1080p. Rates down to $0.01/min at scale.

Get started Contact sales

Real-time Avatar API by HeyGenUnlimited concurrency Pennies a minute

The human touchthat completes your AI

Full-body. 1080p. Real time.

100+ preset avatars, easy customization

High-performance API, smooth onboarding

Enterprise-ready scale and reliability

Full-body. 1080p. Real time.

100+ preset avatars, easy customization

High-performance API, smooth onboarding

Enterprise-ready scale and reliability

Lifelike presence your users trust

Custom avatars from a single image or 2 minutes of footage

Low latency, at any concurrency

Lifelike presence your users trust

Custom avatars from a single image or 2 minutes of footage

Low latency, at any concurrency

From API key to live avatar in five minutes.

Your stack or ours

Full Mode

Avatar Only

Hear it from our customers

How LiveAvatar fuels Reid Hoffman's digital twin to scale insights — reaching over 50M+ views and counting

How Fortune 500s are leaning into AI-powered holograms experience in physical spaces brought by Proto Hologram and LiveAvatar

How Master English helps 60,000+ professionals speak English fluently with LiveAvatar

How edYOU achieves 3000%+ growth using LiveAvatar to deliver personalized learning without added teacher burden

How Zeligate saves clients 27 hours per hire on average by using LiveAvatar to turn hiring bottlenecks into a competitive advantage

How Copient AI sets the curve for over 2,500 hours of sales training with LiveAvatar technology

How LiveAvatar fuels Reid Hoffman's digital twin to scale insights — reaching over 50M+ views and counting

Scales up. Prices down.

$0

$99

$475

Custom

$0

$99

$475

Custom

Built to protect your data

Got questions?We have answers.

Got questions?We have answers.

Production-ready on day one

The human touchthat completes your AI

Full-body. 1080p. Real time.

100+ preset avatars, easy customization

High-performance API, smooth onboarding

Enterprise-ready scale and reliability

Full-body. 1080p. Real time.

100+ preset avatars, easy customization

High-performance API, smooth onboarding

Enterprise-ready scale and reliability

Lifelike presence your users trust

Custom avatars from a single image or 2 minutes of footage

Low latency, at any concurrency

Lifelike presence your users trust

Custom avatars from a single image or 2 minutes of footage

Low latency, at any concurrency

From API key to live avatar in five minutes.

Your stack or ours

Full Mode

Avatar Only

Hear it from our customers

How LiveAvatar fuels Reid Hoffman's digital twin to scale insights — reaching over 50M+ views and counting

How Fortune 500s are leaning into AI-powered holograms experience in physical spaces brought by Proto Hologram and LiveAvatar

How Master English helps 60,000+ professionals speak English fluently with LiveAvatar

How edYOU achieves 3000%+ growth using LiveAvatar to deliver personalized learning without added teacher burden

How Zeligate saves clients 27 hours per hire on average by using LiveAvatar to turn hiring bottlenecks into a competitive advantage

How Copient AI sets the curve for over 2,500 hours of sales training with LiveAvatar technology

How LiveAvatar fuels Reid Hoffman's digital twin to scale insights — reaching over 50M+ views and counting

Scales up. Prices down.

$0

$99

$475

Custom

$0

$99

$475

Custom

Built to protect your data

Got questions?We have answers.

Got questions?We have answers.

Real-time Avatar API by HeyGenUnlimited concurrency
Pennies a minute

The human touch
that completes your AI

The human touch
that completes your AI