ComfyUI Wan2.1 14B Image to Video example workflow generated on a laptop with a 4070 mobile with 8GB vram and 32GB ram.

https://reddit.com/link/1j209oq/video/9vqwqo9f2cme1/player

  1. Make sure your ComfyUI is updated at least to the latest stable release.

  2. Grab the latest example from: https://comfyanonymous.github.io/ComfyUI_examples/wan/

  3. Use the fp8 model file instead of the default bf16 one: https://huggingface.co/Comfy-Org/Wan_2.1_ComfyUI_repackaged/blob/main/split_files/diffusion_models/wan2.1_i2v_480p_14B_fp8_e4m3fn.safetensors (goes in ComfyUI/models/diffusion_models)

  4. Follow the rest of the instructions on the page.

  5. Press the Queue Prompt button.

  6. Spend multiple minutes waiting.

  7. Enjoy your video.

You can also generate longer videos with higher res but you'll have to wait even longer. The bottleneck is more on the compute side than vram. Hopefully we can get generation speed down so this great model can be enjoyed by more people.