Uploaded January 2025 | Updated September 2026, 1 week ago

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Nvidia's Cosmos is claimed to be the best open source AI video model, surpassing Hunyuan.

Download These models:
Text encoder oldt5_xxl_fp8_e4m3fn_scaled.safetensors goes in: ComfyUI/models/text_encoders/ huggingface.co/comfyanonymous/cosmos_1.0_text_encoder_and_VAE_ComfyUI/tree/main/text_encoders

VAE cosmos_cv8x8x8_1.0.safetensors goes in: ComfyUI/models/vae/
huggingface.co/comfyanonymous/cosmos_1.0_text_encoder_and_VAE_ComfyUI/blob/main/vae/cosmos_cv8x8x8_1.0.safetensors

Cosmos 7B models go in: ComfyUI/models/diffusion_models
Cosmos Models: huggingface.co/mcmonkey/cosmos-1.0/tree/main

Text2Video Workflow comfyanonymous.github.io/ComfyUI_examples/cosmos/text_to_video_cosmos_7B.json
Video2Video Workflow comfyanonymous.github.io/ComfyUI_examples/cosmos/image_to_video_cosmos_7B.json

Don't forget to update your ComfyUI either inside menu of ComfyUI or by doing a git pull

Use in the cloud (affiliate): thinkdiffusion.com/?via=sebastian

Exclusive offers and guides on Patreon patreon.com/sebastiankamph

Chat with me in our community discord: discord.gg/dFB7zuXyFY

Stable Diffusion for Beginners Playlist youtube.com/playlist?list=PLXS4AwfYDUi5sbsxZmDQWxOQTml9Uqyd2
My Weekly AI Art Challenges youtube.com/playlist?list=PLXS4AwfYDUi7RvFm4K6lKBH_acaZQMKY4
My Stable diffusion workflow to Perfect Images youtu.be/4u-Ytioi3DM
ControlNet tutorial and install guide youtu.be/vFZgPyCJflE
Famous Scenes Remade by ControlNet AI youtu.be/wVbWZ-Ph9lE