Real-time Avatar API
Runs directly in any web browser. Streams ultra-light motion packets (<1KB) via WebRTC in real-time. Supports multiple 3D avatar formats (VRM, GLB, FBX). On-device SDK coming soon.
Bring your
Avatars to Life
Key Features
See, hear, and talk with
your AI companions
Real-time
(WebRTC API, Browser-native)
Avatar engine
with dynamic facial & Motion
expressions & lip-sync
True 3D avatars
VRM, GLB, and FBX compatible
Experience AI Staff
Ask AI staff about the GOODGANG LABS.
They will answer everything.
Solutions Overview
Deploy Expressive 3D Avatars
Instantly, at Any Scale
Ultra-light WebRTC API streams real-time facial and body animation with zero device load—cross-platform, high-performance, and bandwidth-efficient.
Modular Avatar Engine
Cloud-scale engine for STT, LLM/SLM, TTS, motion(facial expression, body motion, lip-sync), and 3D Avatars. Modules are independent and replaceable — use our fine-tuned serving or swap in models like OpenAI, Gemini, Claude, or Grok. Seamless plug-and-play integration.
AI Avatar Agent Builder
Create and serve fully interactive 3D AI Avatars in minutes. Launch instantly in the browser with a QR scan, no apps or hardware needed. Set personality and voice, upload text or PDFs, and auto-generate FAQs. Multilingual support included.
GGLS AI Space
Flagship store in Seoul Gangnam. Voice-based consultation and ordering with 3D AI Avatars are already commercialized and running in-store. Partnering with diverse brands and pop-up experiences powered by our AI Avatar platform.
Our Team
Co-Founder
Dookyung Ahn, CEO, Ex-Meta
Jaecheol Kim, CTO, YC S16
Dasol Kang
AI Engineer
Wonwoo Lee
Front-end Engineer
Youjin Cho
Back-end Engineer
Heejae Jeon
AI Engineer
Haeun Choi
Product Designer
Hyeonju Ha
Administrative Manager
Our Backers
Backed by leading global investors and partners — plus individual angels from
Meta, Snap, Kakao, and other tech leaders.
FAQs
We've Got the Answers
You're Looking For
Quick answers about GoodGang Labs
GoodGang Labs is an AI avatar startup with a mission to connect people and AI through avatars. We are redefining human-AI communication by enabling natural, interactive experiences.
GoodGang Labs offers four flagship products: AI Staff, a voice-interactive avatar assistant; Marionette API, a real-time motion generation SaaS platform; KiKi Town, a 3D metaverse platform; and Beergang NFT, a 3D avatar collection that has generated over 1 billion KRW in sales. Each product leverages our avatar technology to create new digital experiences.
Our AI seamlessly integrates five technologies operating at 0.1-second precision: real-time STT, small language models, TTS with lip-sync, function calls, and voice-to-motion. Delivering 99% accuracy with 1.5-second response times, it creates natural human-like conversations in Korean, English, Chinese, and Japanese.”
The world's first AI avatar retail space.Experience shopping and checkout through natural voice conversations at our physical store located at 47 Gangnam - daero 160-gil, Sinsa- dong, Gangnam - gu, Seoul(Serosugil).
We've partnered with companies like Naver, Mamissson, and 78UNDER to deliver proven marketing impact through AI avatar- integrated flash sales and voice- interactive shopping.