Descriptions:
Nerdy Rodent updates the LTX Video 2 ComfyUI workflow with a set of practical extensions focused on longer video generation and motion control. The headline addition is FFN chunking via a node from the “Random Internet Person” custom pack, which reduces peak VRAM consumption enough to produce 900+ frame videos (over 35 seconds) on an Nvidia RTX 3090 — though this requires 64GB or more of system RAM for the longer generations.
The update also integrates KJ Nodes’ attention tuner and audio normalization as experimental toggles, adds Pose and Canny ControlNet conditioning with a dedicated control panel switch, and introduces the Radiance node pack for post-processing. Radiance brings multiple upscaling methods — including Mitchell, Catrom, and Hermite interpolation as well as a tiled pro-upscale option for memory-constrained long-video work — plus image effects like exposure, contrast, and saturation adjustment before the final VHS video combine output.
The tutorial is structured as an upgrade guide for users who followed the previous LTX-2 workflow video, with each new group clearly demarcated and explained. Viewers with lower-end GPUs will find the VRAM chunking section particularly useful, while those interested in motion consistency will benefit from the ControlNet integration walkthrough.
📺 Source: Nerdy Rodent · Published January 24, 2026
🏷️ Format: Tutorial Demo
