Automatic1111 vs Flux — Which One Wins?
A detailed, side-by-side comparison of Automatic1111 and Flux to help you pick the right tool for your workflow.
Quick Verdict
Flux takes the lead with a 4.5 rating and is best for developers and creators who want state-of-the-art open-source image generation.. Automatic1111 (4.4) is the better pick if you need stable diffusion users wanting a feature-rich local ui.
Side-by-Side Comparison
| Criteria | Automatic1111 | Flux |
|---|---|---|
| Rating | ★★★★ 4.4(200) | ★★★★ 4.5(112) |
| Pricing Model | free | open_source |
| Starter Price | Free | ~$0.003/image (cloud API) |
| Free Tier | Yes | Yes |
| Platforms | Windows, Mac, Linux | windows, linux, mac |
| Learning Curve | Hard | hard |
| API Available | Yes | Yes |
| Best For | Stable Diffusion users wanting a feature-rich local UI | Developers and creators who want state-of-the-art open-source image generation. |
| Verdict | Most Popular SD Interface | recommended |
Feature Checklist
| Feature | Automatic1111 | Flux |
|---|---|---|
| Stable Diffusion WebUI | — | |
| Extensions | — | |
| Inpainting | — | |
| ControlNet | — | |
| Batch Processing | — | |
| Open source (Dev and Schnell) | — | |
| Superior prompt adherence | — | |
| Excellent hand and anatomy rendering | — | |
| Fast 4-step generation (Schnell) | — | |
| Growing LoRA ecosystem | — | |
| Commercial use license | — |
Automatic1111
Pros
- ✓Massive extension ecosystem
- ✓Most documentation available
- ✓Straightforward UI for SD
Cons
- ✕Requires local GPU
- ✕Can be buggy with updates
- ✕Losing ground to ComfyUI
Flux
Pros
- ✓Quality rivals closed-source models like Midjourney for many use cases
- ✓Apache 2.0 license allows unrestricted commercial use
- ✓Dramatically better anatomy and hand rendering than Stable Diffusion
Cons
- ✕Requires technical knowledge to self-host and configure
- ✕Ecosystem is younger and smaller than Stable Diffusion
- ✕Needs a powerful GPU (12GB+ VRAM) for local generation
The Bottom Line
Both Automatic1111 and Flux are solid tools in the AI Image & Design space. Flux edges ahead with a stronger overall rating (4.5 vs 4.4) and is the better choice for developers and creators who want state-of-the-art open-source image generation.. However, if you prioritize stable diffusion users wanting a feature-rich local ui, Automatic1111 is worth serious consideration. We recommend trying the free tier or trial of each before committing.