# LTX: what I've logged

> LTX comes up in 2 posts of my AI log, from January 2026 to March 2026, and each item below links to the primary source. The sources come from Lightricks, filed under frontier, open weights and image, video, world.

## Items

1. **LTX-2.3** (Lightricks, 2 Mar 2026): An open video-and-audio model with a rebuilt VAE for sharper detail and native vertical video. [Primary source](https://huggingface.co/Lightricks/LTX-2.3) · [Post](https://heyaliasif.com/ai/2026-03-02-week-in-ai#item-4)
2. **LTX-2** (Lightricks, 5 Jan 2026): An open-weights video model that generates synchronized audio and video in one pass. [Primary source](https://huggingface.co/Lightricks/LTX-2) · [Post](https://heyaliasif.com/ai/2026-01-05-week-in-ai#item-3)

## Posts

- 2026-03-02 [GPT-5.4 ships, Karpathy's autoresearch, and Qwen3.5 goes small](https://heyaliasif.com/ai/2026-03-02-week-in-ai)
- 2026-01-05 [CES week: Nvidia's open driving model, Atlas for factories, LTX-2](https://heyaliasif.com/ai/2026-01-05-week-in-ai)

Canonical: https://heyaliasif.com/ai/topics/ltx