HeyGen
Free tier
Make talking-head videos with a realistic AI avatar of yourself or a stock presenter, just by typing a script.
Video & Animation
Video & Animation Checked Oct 16, 2026
Live Avatar
Build a real-time, audio-driven avatar that can keep streaming during an interactive conversation.
Best for: Developers and researchers building live avatar agents, virtual presenters, or long-running interactive video systems.
Access
Listed as Live Avatar is an open research project with public code and model checkpoints, so the software can be inspected and run under its project terms. The official project reports a 14-billion-parameter model and real-time performance on five H800 GPUs; the repository requires a CUDA/PyTorch environment, Flash Attention, FFmpeg, and downloaded checkpoints. No simple no-signup hosted generator was verified.
Useful?
What you can do with it
- Prototype an interactive avatar
- Study streaming avatar generation
- Connect voice input to a virtual presenter
- Test long-running avatar video
- Read the research implementation
Good to know
- Official Alibaba research project
- Designed for real-time streaming
- Long-running avatar sessions
- Public code and checkpoints
Limitations
- Requires a powerful multi-GPU setup
- No simple hosted free app verified
- Technical installation is substantial
Other official links
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