LipDub vs SadTalker

LipDub localizes videos by dubbing them into other languages while keeping the person on camera and synchronizing their lips. The workflow covers uploading video, translating and refining a transcript, choosing or cloning a voice, lip syncing, and exporting localized versions. It supports 80+ languages out of the box; user-provided audio can extend use to other languages, dialects, accents, or fictional languages. Listed tools include lip sync, audio dubbing, a translation editor, stock voices, and instant voice cloning. The free Seed plan allows one minute of video at 1080p and adds a watermark. Core costs $29 a month and supports videos up to 10 minutes; Growth allows up to 60 minutes, and Scale up to 120 minutes with 4K output and API access. Enterprise offers unlimited length at custom pricing. The pricing FAQ says the platform works best with simple productions and broadcast-grade footage where the speaker is clearly visible. Paid plans include unlimited seats and concurrent jobs, while security and support options vary by plan.

SadTalker creates a talking-head video from a portrait image and speech audio. It derives 3D head-pose and facial-expression coefficients from the audio to animate the face. The project describes still, reference, and resize modes, along with full-image animation. Command-line examples include GFPGAN enhancement. You can use a local Gradio demo or command-line inference, with setup paths for Linux, Windows, and macOS; Hugging Face and Colab demos are also linked. The documented Linux setup includes Python 3.8, PyTorch, FFmpeg, and the repository requirements. Windows setup also calls for Python, Git, FFmpeg, and model files. Pre-trained models are linked from Google Drive, GitHub Releases, and Baidu. The project says its open-source code runs offline and collects no personal information or other data. SadTalker is free at free under Apache 2.0, except for listed third-party components. Output is 720p or lower and has no watermark. Integrations include Discord and a Stable Diffusion WebUI extension.