2 Best FLUX Alternatives in 2026 (Open Source)

FLUX — Official inference repo for FLUX.1 models.

These 2 open-source tools do the same job. They are ordered by how closely they match FLUX, with live GitHub data so you can see which projects are actively maintained.

ToolGitHub starsStars / 30dLast commit
FLUX(original)26.0k+1032025-07-31
DALL·E Mini14.7k+-92023-08-22
Hugging Face Diffusion Models Course4.4k+102026-09-17
  1. 1. DALL·E Mini

    DALL·E Mini - Generate images from a text prompt

    What sets it apart: vs DALL-E 3 / Stable Diffusion: the original open-source text-to-image model that went viral — historically significant as the first widely accessible AI image generator, now commercialized as Craiyon

    Best for: Educational exploration of text-to-image model architecture; Research on transformer-based image generation; Free image generation via Craiyon web interface

  2. 2. Hugging Face Diffusion Models Course

    Materials for the Hugging Face Diffusion Models Course

    What sets it apart: Official Hugging Face free course teaching diffusion models from theory to practice with hands-on notebooks and community support

    Best for: learning-diffusion-models; hands-on-generative-ai-training; understanding-stable-diffusion