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Model reference · open weights

LTX-2.5-Pre-Trained

Video Lightricks Image→video 1 build Its own licence terms 2k dl/mo

LTX-2.5-Pre-Trained is an open-weight video model from Lightricks. LTX-2.5-Pre-Trained (BF16) weighs 46.2 GB; the smallest configuration that runs it is H100 80 GB.

  • LTX-2.5-Pre-Trained is an image-to-video model developed by Lightricks that serves as a base checkpoint for researchers and developers.
  • It consists of a 22B DiT bundled with a duration head, paired with a Gemma4 12B text encoder.
  • The model supports nine languages including English, German, Spanish, French, Japanese, Korean, Chinese, Italian, and Portuguese, and is released under an other licence.

Summary of the Lightricks/LTX-2.5-Pre-Trained model card, 2026-10-01

Hugging Face ↗GitHub ↗Paper ↗

What it is

Released byLightricks
Released2026-08-10
VRAM46.2 GB for the weights

What it runs on

Memory and cards for LTX-2.5-Pre-Trained (BF16)

46.2 GBweights, file size
537 MBruntime overhead
CardWeightsMemory
RTX 3060 12 GB … L40S 48 GBdoes not fit
A100 80 GBfits78.2 GB
H100 80 GBfits78.1 GB
RTX PRO 6000 Blackwell 96 GBfits93.8 GB
DGX Spark (GB10) 128 GB unifiedfits107 GB
H200 141 GBfits138 GB
B200 180 GBfits176 GB

How it works

How video models work

Prompt / imagestart pointTemporal diffusionframes over timeVideoMP4 clipA video model generates a sequence of coherent frames from your prompt or a starting image.

Running it yourself

Run it on a rented GPU

Rent a machine by the hour. How to run this model is on its model card.

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