Question 1

What is Flux1 Fill Dev?

Accepted Answer

Flux1 Fill Dev is a diffusion model that generates images or video from text and image prompts. You can run it locally in ComfyUI with full control over every parameter, or access it through Comfy Cloud. ComfyUI's node-based workflow editor lets you connect Flux1 Fill Dev with ControlNets, LoRAs, upscalers, and custom nodes to build any pipeline you need. There are 2 community workflow templates using Flux1 Fill Dev on Comfy Hub, ready to load and customize.

Question 2

How do I use Flux1 Fill Dev in ComfyUI?

Accepted Answer

Follow the step-by-step tutorial at https://docs.comfy.org/tutorials/flux/flux-1-fill-dev. You can also load any of the 2 community workflow templates that use Flux1 Fill Dev directly in ComfyUI.

Question 3

How many ComfyUI workflows use Flux1 Fill Dev?

Accepted Answer

There are 2 community workflow templates that use Flux1 Fill Dev on Comfy Hub. Each template is ready to run in ComfyUI and can be customized to suit your project.

Question 4

Is Flux1 Fill Dev free to use in ComfyUI?

Accepted Answer

ComfyUI is free and open source. Flux1 Fill Dev weights are available to download from Hugging Face. You only pay for compute when running on Comfy Cloud; local inference on your own hardware is always free.