Avatar Video Generation
Upload portrait photo + audio - AI generates talking head video
API Online
N
Input
Upload portrait photo and driving audio
Drop portrait photo here
JPG, PNG - Max 10 MB - Face clearly visible
-
-
Drop audio file here
WAV, MP3 - Max 20 MB - Speech recommended
-
-
Advanced Settings
Generation Progress
0s elapsed
Authenticating API keyWaiting
Uploading files to ModalWaiting
Cold start / Container readyWaiting
Running LongCat inferenceWaiting
Uploading video to R2 storageWaiting
Output Video
Waiting for generation...
Upload a portrait photo and audio,
then click Generate to create your avatar video.
then click Generate to create your avatar video.
Tips for best results
- Use a clear front-facing portrait (no sunglasses)
- Audio should be clean speech, minimal background noise
- Keep audio under 30 seconds for faster generation
- First run may take 60-90s for cold start (A100 boot)
- Subsequent runs: ~30-60s (warm container)