AUTOMATIC1111 vs 
FluxGym
AUTOMATIC1111 vs FluxGym compared for 2026 — features, license, ease of use, performance and which one to choose. The classic Stable Diffusion web UI vs Train image LoRAs with a simple web UI.
Updated regularly · curated by OpenSourceAI.tech
AUTOMATIC1111 vs FluxGym at a glance
| Spec | AUTOMATIC1111 | FluxGym |
|---|---|---|
| Category | AI image generation | AI image generation |
| Type | Web UI | LoRA trainer (GUI) |
| License | AGPL-3.0 | Apache-2.0 |
| Runs locally | Yes | Yes |
| Primary language | Python | Python |
| Ease of use | Intermediate | Beginner |
| Best for | users who want the biggest extension ecosystem | artists training custom styles without config files |
| GitHub stars | 164.3k | — |
How AUTOMATIC1111 and FluxGym score
| Criterion | AUTOMATIC1111 | FluxGym |
|---|---|---|
| Popularity | 5.0 | n/a |
| Maintenance | 4.0 | n/a |
| Ease of use | 3.5 | 5.0 |
| Privacy | 5.0 | 5.0 |
| License freedom | 3.5 | 5.0 |
Scores are computed automatically from public signals — GitHub stars (popularity), recent commit activity (maintenance), license type (freedom), local-first design (privacy) and onboarding complexity (ease of use). Indicative, not a verdict.
What each one is
AUTOMATIC1111
AUTOMATIC1111 (stable-diffusion-webui) is the classic, feature-packed Gradio web UI for Stable Diffusion, with a huge extension ecosystem and an enormous community.
- Massive extension and tutorial ecosystem
- Familiar form-based UI, gentle learning curve
- Huge community with answers for everything
FluxGym
FluxGym provides a dead-simple web interface to train FLUX LoRAs on consumer GPUs, hiding the complexity of the underlying training scripts.
- Trains LoRAs on 12GB VRAM
- Simple web UI, no config files
- Built on proven training backends
Key differences
AUTOMATIC1111 is web UI, while FluxGym is loRA trainer (GUI). Their licenses differ (AGPL-3.0 vs Apache-2.0), which matters if you ship a commercial product. AUTOMATIC1111 leans more intermediate-friendly, whereas FluxGym is more suited to beginner users. In short, AUTOMATIC1111 fits users who want the biggest extension ecosystem, and FluxGym fits artists training custom styles without config files.
Which should you choose?
Choose AUTOMATIC1111 for users who want the biggest extension ecosystem. Choose FluxGym for artists training custom styles without config files.
There is rarely one winner — many setups use both. The right pick depends on your hardware, your team's skills, and whether you value simplicity or control.
Frequently asked questions
Is AUTOMATIC1111 or FluxGym easier to use?
FluxGym is generally the easier of the two to get started with, while AUTOMATIC1111 rewards more setup with more control.
Are AUTOMATIC1111 and FluxGym free?
AUTOMATIC1111 is free and open source (AGPL-3.0), and FluxGym is free and open source (Apache-2.0). Neither charges for the core software.
Can I run AUTOMATIC1111 and FluxGym locally?
AUTOMATIC1111: yes · FluxGym: yes. Both can be used without sending your data to a third-party cloud where their setup allows.
AUTOMATIC1111 vs FluxGym — which should I pick in 2026?
Choose AUTOMATIC1111 for users who want the biggest extension ecosystem. Choose FluxGym for artists training custom styles without config files.
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