--- license: apache-2.0 tags: - comfyui - workflow - ltxv2 - gguf - low-vram - text-to-video - image-to-video - beginner-friendly --- # LTX2 GGUF — Low VRAM Video Generation (I2V / T2V) **By:** [The_frizzy1](https://civitai.com/user/The_frizzy1) **Hardware target:** RTX 3050 (4 GB) / RTX 3060 (12 GB) **CivitAI:** https://civitai.com/models/2339823/ltx2-gguf-low-vram-video-generation-i2v-t2v **YouTube:** https://www.youtube.com/@the_frizzy1 🎥 **Video Explainer:** https://www.youtube.com/watch?v=nnHUBMgdJac --- ## What This Is Simple color-coded GGUF workflow for LTXV-2 in ComfyUI. Lightweight, I2V and T2V support. --- ## Tested Hardware | Hardware | Notes | |----------|-------| | RTX 3060 12GB + 48GB RAM | Main test hardware | | RTX 3050 4GB + 16GB RAM | Enable Triton | --- ## Common Issues - `LTXVEmptyLatentAudio – AttributeError` → Update KJNodes to v1.2.8+ - Checkerboard noise → Update all nodes + ComfyUI --- ## Required Custom Nodes | Node | Link | |------|------| | ComfyUI-GGUF | https://github.com/city96/ComfyUI-GGUF | | KJNodes *(keep updated!)* | https://github.com/kijai/ComfyUI-KJNodes | --- ## Model Downloads Main: https://huggingface.co/Kijai/LTXV2_comfy/tree/main/ **Diffusion (pick one):** | File | VRAM | |------|------| | [Q4_K_M](https://huggingface.co/Kijai/LTXV2_comfy/resolve/main/diffusion_models/ltx-2-19b-dev_Q4_K_M.gguf) | Less | | [Q8_0](https://huggingface.co/Kijai/LTXV2_comfy/resolve/main/diffusion_models/ltx-2-19b-dev_Q8_0.gguf) | More / better | **Text Encoders (both required):** - https://huggingface.co/Comfy-Org/ltx-2/tree/main/split_files/text_encoders - https://huggingface.co/Kijai/LTXV2_comfy/resolve/main/text_encoders/ltx-2-19b-embeddings_connector_dev_bf16.safetensors **VAE (both files):** https://huggingface.co/Kijai/LTXV2_comfy/tree/main/VAE **Upscaler:** https://huggingface.co/Lightricks/LTX-2/tree/main/ltx-2-spatial-upscaler-x2-1.0.safetensors **LoRAs:** - [Distilled](https://huggingface.co/Kijai/LTXV2_comfy/resolve/main/loras/ltx-2-19b-distilled-lora_resized_dynamic_fro09_avg_rank_175_fp8.safetensors) - [Camera Dolly Left *(optional)*](https://huggingface.co/Lightricks/LTX-2-19b-LoRA-Camera-Control-Dolly-Left/tree/main) --- ## Changelog | Version | Notes | |---------|-------| | v1.5 | Current release | | v1.0 | Initial release |