Open-weight video models you can run yourself › LTX 2.5
Updated · public data
Lightricks · Open weights
LTX 2.5 is an open-weight video model from Lightricks with 19B parameters. It needs about 23 GB of memory at 8-bit — smallest setups that run it: PC with a GPU 24 GB, Mac 64 GB.
| Parameters | 19B |
| Memory to run | ~23 GB (at 8-bit, rough estimate) |
| Downloads | 1.9M (last 30 days on Hugging Face) |
| Likes | 8K |
| License | Custom license |
| First uploaded | Jul 23, 2026 |
| Phone | iPhone · Android: too big |
| PC with a GPU | 8 GB: too big · 12 GB: too big · 16 GB: too big · 24 GB: fits · 32 GB: fits |
| PC or laptop, no GPU | 16 GB: too big · 32 GB: too big · 64 GB: too big |
| Mac | 16 GB: too big · 32 GB: too big · 64 GB: fits · 128 GB: fits |
huggingface.co/Lightricks/LTX-2.5
Data: Hugging Face (official accounts), Oct 16, 2026 · memory is a rough estimate (4-bit for LLMs, 8-bit for image and video, plus 10%) · hosted price: OpenRouter