LTXV 13B is a cutting-edge open-source AI video generation model developed by Lightricks, designed to revolutionize the video creation landscape with its unparalleled speed and quality. Boasting 13 billion parameters, this model utilizes advanced multiscale rendering technology, making it 30 times faster than its predecessors. LTXV-13B builds upon the robust DiT-based architecture, enhancing motion quality and introducing innovative features for creative professionals. Distributed under the LTXV Open Weights License, it encourages community involvement and customization, fostering a collaborative ecosystem. This model marks a significant leap from the earlier LTX Video model, expanding from 2 billion to 13 billion parameters, thereby driving remarkable improvements in video generation. As an open-source tool, LTXV 13B offers an unprecedented platform for developers and creators to push the boundaries of digital storytelling and content creation.