LatentSync
Free lip sync: make a filmed person say new audio.
FreeOpenRuns on your PC
- Best for
- Dubbing existing videos
- On your PC
- Technical
- Works on
- Linux, Windows
- License
- Apache-2.0
What’s good
- Sharp mouths on real filmed faces
- Older version 1.5 runs on 8 GB cards
- Commercial use allowed
Downsides
- Only fixes lips; needs a video, not a photo
- Version 1.6 needs 18 GB of graphics memory
- Command line setup
At a glance.
- Best for
- Dubbing existing videos
- Price
- Free, open source
- Version
- LatentSync 1.6Released 2025-06-11
- Works on
- Linux, Windows
- Open source
- Yes, Apache-2.0
- Made by
- ByteDance
- Website
- github.com
Should you use it?
It is #9 of 12. Good for dubbing existing videos; for most people, HeyGen is the better start.
Can I run it myself?
Yes. Technical: command line or python.
Use Python scripts, Gradio app in the repo.
- You need
- NVIDIA GPU with 8 GB (v1.5) or 18 GB (v1.6)
- Setup
- TechnicalCommand line or Python
- Laptop, 8 GBToo small
- PC, 16 GB+Too small
- Mac, 16 GBToo small
- Mac, 32 GBToo small
- Mac, 64 GB+Too small
- PC, 8 GB GPUToo small
- PC, 12 GB GPUToo small
- PC, 16 GB GPUToo small
- PC, 24 GB GPURuns
- WorkstationRuns