HunyuanVideo
HunyuanVideo, a 13B-parameter open-source video model, matched closed models like Runway Gen-3 and Luma 1.6 in Tencent's 1,533-prompt human eval.
At release the largest open video model; released code and weights with a systematic report (data curation, architecture, scaling infrastructure). I2V (2025-03) and Avatar (2025-05) variants followed; HunyuanVideo-1.5 appeared 2025-11-18.
- Date
- Tuesday, 3 December 2024
- Lab
- Tencent
- Kind
- model
- Access
- open weights (restricted license)
Figures
| Measure | Value | Measured by |
|---|---|---|
| Parameters | 13B+ largest open-source video model at release | company |
Human-eval claims are Tencent's. Licence is Tencent's custom community licence (not Apache); regional restrictions apply.
Sources
This record was checked against its sources on 6 October 2026. How we check