Free Local Image Generation with FLUX.2 Dev in ComfyUI

Melvin Vivas · X post · 2026-04-14 · Open on X

Topics: AI Dev Tools & Productivity · Level: beginner

Summary

The creator generates images locally with Black Forest Labs' FLUX.2 Dev model, using ComfyUI. Because the model runs on your own hardware, generations cost nothing.

Key points

• FLUX.2 Dev is an image generation model from Black Forest Labs that can run locally.
• ComfyUI is a node-based interface for running open image models on your own GPU.
• Running locally means generations are free; you only pay for your own hardware and power.

Resources mentioned

• FLUX.2 dev · tool · huggingface.co · free
  Black Forest Labs' open-weight image generation model that can run on local hardware.
  Also in: Local Image Generation Pipeline Built with Claude Code (Melvin Vivas on X · notes)
• BlackForestLabsAI - Unofficial (@bfl_ml) on X · person · x.com · free
  X account tagged as the maker of FLUX models (the link title marks it as unofficial).
• ComfyUI · tool · x.com · free
  The official X account for ComfyUI, the node-based tool for generative AI workflows, which announces things like ComfyUI Agent.
  Also in: ComfyUI Agent: early access announcement (Melvin Vivas on X · notes), Comfy Router: One API for Image, Video, 3D and Audio Model Providers (Melvin Vivas on X · notes), Generating AI Video Locally with MiniMax H3 in ComfyUI on an RTX 3090 (Melvin Vivas on X · notes), Running MiniMax M3 Locally in ComfyUI on an RTX 3090 (Melvin Vivas on X · notes) and 23 more

Try this

• Set up ComfyUI locally and generate images with FLUX.2 Dev