LTX is an advanced multimodal foundation model that facilitates the generation and simulation of video, audio, and real-world interactions through a unified system, eliminating the need for multiple separate tools. The latest version, LTX-2.3, is capable of producing synchronized audio and video in one seamless operation at native 4K resolution, ensuring that sound and visuals remain perfectly in sync without the need for any post-production adjustments. With fully accessible weights and code, users can customize LTX to suit their own audio and visual intellectual property and deploy it on their own hardware. This versatility allows LTX to serve a wide array of applications, making it invaluable for entertainment studios, XR and virtual production teams, as well as robotics and simulation companies, all of which can utilize the same foundational model to create comprehensive multimedia workflows.