LTX-2.3 Open Source! Audio-Video Sync, 20s 4K Video on GPU

LTX-2.3 Open Source! Audio-Video Sync, 20s 4K Video on GPU TL;DR : Lightricks just open-sourced LTX-2.3, an upgraded version of LTX-2. Audio-video synchronized generation, 4K resolution support, 20-second duration, runs on local GPU, 18x faster than WAN 2.2! 🎬 The Era of "Audio-Video Sync" for Open Source Video Models If you've been following AI video generation, you've probably seen the "performances" from big players like Sora and Veo. But today's protagonist is a company called Lightricks—they just open-sourced LTX-2.3 , a video model that truly runs locally and generates audio-video synchronously. This isn't a "toy"—it's a production-grade tool you can use right away. 🔥 Core Highlight: Audio-Video Synchronized Generation The Old Problem Anyone who's used video generation models knows the common issue: Video is generated, audio needs to be added separately Lip sync doesn't match (lip synchronization is hit-or-miss) Environmental sounds and background music rely entirely on post-prod