video generation
LTX-2.5
Lightricks open-weight audio-video model with 48 kHz audio, free under US$10M annual revenue.
Levelmodel
Classvideo generation
Parameters19B
Contextnot in the notes
Released11 Aug 2026
Opennessopen weights restricted
Runs onsingle datacentre GPU
Statusactive
Benchmark Results
independent
Artificial Analysis Text-to-Video leaderboardgenerative media
LTX-2.5 Proindependent
943
8001,0001,200
Score in Elo; the axis starts at 800, as Elo has no zero. Higher is better.
rank 24, AA Text-to-Video leaderboard
Where this comes from
Every score names who ran it: vendor-reported, maintainer-run or independent. A rank is shown with the population it was ranked in (gap rule 3).
Lineage
successor
LTX-2 is the parent (successor)high confidencenotesLTX-2.5 Fast belongs to this modelvideo generationLTX-2.5 Pro belongs to this modelvideo generationWhere this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. The tree shows two generations each way, 3 models. Confidence and evidence are the notes' own.
Identity
- Developer
- Lightricks
- Family
- LTX
- Released
- 11 Aug 2026 sourcesregistry date
- Weights published
- –
- Record checked
- 10 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.
Architecture and Size
- Architecture
- diffusion DiT, joint audio-video, 2-stage with latent upsampler
- Total parameters
- 19B sources
- Active parameters
- –
- Checkpoint parameters
- –
- Note
- 19B per HF card; 22B per Atlas Cloud
- Context length
- not in the notes
- Input
- text
- Output
- video, audio
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).
Openness and Access
- Openness
- open weights restricted
- Licence
- LTX-2.x Community Licence sources
- Access routes
- open weights download, API
Where this comes from
The licence file governs over registry tags and aggregator labels.
Deployment
- Runs on
- single datacentre GPU
- Footprint
- Tens of GB; distilled download about 72 GB; offload suggested
- Runtimes
- not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.
Indonesia
- Indonesian support
- not stated
- Regional languages
- not in the notes
- Jakarta hosting
- unknown
- Languages
- not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.
Industry Use Cases
No industry use case links this model.
Links
DeveloperLightrickscompany, Israel
Lightrickscompany, IsraelModelLTX-2.5Lightricks, video generation
LTX-2.5Lightricks, video generationUse Casesnone recorded
Who Runs Itnone recorded
Models 4
Organisations 1
Sources
- huggingface.co/Lightricks/LTX-2.5-Diffusers https://huggingface.co/Lightricks/LTX-2.5-Diffusers
- atlascloud.ai/de/blog/tips/is-wan-3.0-open-source https://www.atlascloud.ai/de/blog/tips/is-wan-3.0-open-source
- AA-Video-T2V v2.0 Leaderboard - Top AI Video Models | Artificial Analysis artificialanalysis.ai https://artificialanalysis.ai/video/leaderboard/text-to-video
- Lightricks - Wikipedia en.wikipedia.org https://en.wikipedia.org/wiki/Lightricks
To cite this page: Project AURION, AI Use-Cases Research & Innovation, "LTX-2.5", https://aurion.semai.id/models/lightricks-ltx-2-5/, records of October 2026.