Video
GA
Open weights
LTX-2.5
Local 4K/50fps video with audio and near-commercial openness
Release2026-09
Context100K
Max output—
Parameters22B
Local / VRAM12–48 GB
LicenseOpen weights
Overview
LTX-2.5 is a model in the Video category from Lightricks (LTX). It was released in 2026-09. The vendor is based in Israel. Best for: Local 4K/50fps video with audio and near-commercial openness.
Hardware: Drops to 12 GB with quantization/offload.
Strengths
- 4K
- 50 fps
- 24 kHz stereo
- Down to 12 GB VRAM
- 20 sec clips
Limits
- Revenue cap
- Large GPU for top quality
Specifications
| Vendor | Lightricks (LTX) |
|---|---|
| Category | Video |
| Release | 2026-09 |
| Status | GA |
| License | Open weights |
| License name | LTX Open License |
| Commercial use | Conditional |
| Parameters | 22B |
| Architecture | DiT |
| Context window | 100K |
| Input modalities | Text, Image, Video, Audio |
| Output modalities | Video, Audio |
| Prompt types | Text, Image, Video, Audio |
| Negative prompts | No |
| Max outputs | 1 clip |
| Resolution | 720p-4K |
| Duration | 5-20s |
| Frame rate | 50 fps |
| Audio generation | Yes |
| Local deployment | Yes |
| VRAM | 12–48 GB |
| System RAM | 32–128 GB |
| API access | Yes |
| Pricing | Free below $10M annual revenue; license above |
| Confidence | High |
| Vendor country | Israel |
| Vendor type | Open lab |
Pricing & hardware
Free below $10M annual revenue; license above
This model can be self-hosted or run locally. Approximate GPU memory: 12–48 GB. Approximate system RAM: 32–128 GB. API access is available.