Text-to-Video generation in ComfyUI

AI Search·Nov 2025

Demo summary

A step-by-step demo of configuring the Hunyuan nodes in ComfyUI, entering a prompt for a 'giant cat', and rendering the final 720p video.

Step-by-step

Select the downloaded models for each dropdown in the Step One card
Choose the VAE model from the final dropdown in the card
Enter your positive prompt in the text prompt field
Enter any excluded elements in the negative prompt field
Set the width, height, and length of the video in Step Four
Calculate the length by multiplying the desired seconds by 24 (the FPS)
Set the batch size to determine how many videos to generate
Click Run to generate and save the video to the output folder

Options

Activate 'Easy Cache' via Ctrl+B or the toggle button to speed up generation
Adjust batch size to generate multiple videos at once

Watch out for

This specific workflow is for text-to-video only
Using Easy Cache speeds up the workflow but sacrifices video quality
Generation is slow; a 5-second video can take approximately 35 minutes on 16 GB of VRAM

Tips

To get a 5-second video at 24 FPS, set the frame length to 120

Highlights

“notice that this was actually quite painfully slow”

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