HunyuanVideo 1.5
by Tencent
· HunyuanVideo family · released Nov 21, 2025
Open weights
Active
Tencent's compact 830M-parameter open video generation model with a multi-stage training pipeline supporting text-to-video and image-to-video at 480p/720p/1080p, runnable on consumer GPUs.
This model has no first-party API. Open-weight release: self-host from published weights.
Specifications
| Model type | Video gen |
|---|---|
| Architecture | Dense |
| Parameters | 0.8 |
| Context window | Not disclosed tokens |
| Max output | Not disclosed tokens |
| Knowledge cutoff | Not disclosed |
| License | Not disclosed |
| Modalities | Text input Image input Video output |
| Tags | - |
| End of life | Not disclosed |
| Last verified | Not disclosed |