Workflow prototyping
Validate prompts and settings before production tiers.
Flexible open-weight style control with FLUX.1 Dev
FLUX.1 Dev balances quality and tunability — adjustable steps, guidance, and optional image input for experimentation and custom workflows.
Text to imageImage editing
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What it is good for
Flexible open-weight style control with FLUX.1 Dev
FLUX.1 Dev balances quality and tunability — adjustable steps, guidance, and optional image input for experimentation and custom workflows.
Custom style tests
Experiment with guidance and steps for repeatable looks.
Img2img exploration
Use an input image when the edit should preserve structure.
Key capabilities
Why creators pick FLUX.1 Dev
Tunable generation
Control steps and guidance when you need more influence over the output.
Optional image input
Start from a reference image for img2img-style direction.
Go fast mode
Quick previews when exploring prompts before a full-quality pass.
Resolution options
Pick output scale that matches draft versus near-final needs.
Research-friendly
Popular tier for testing pipelines before moving to Pro or Ultra.
How to get a strong result
Tips for better results
Start with the subject, then add lighting, style, and anything that must stay the same. Upload a reference whenever you want a more controlled edit.
- 1
Draft with Go fast
Enable fast mode for volume, disable for cleaner finals.
- 2
Document step counts
Save step and guidance pairs that produce consistent results.
- 3
Upgrade for delivery
Switch to Pro or Ultra when polish and resolution matter most.
- 4
Keep prompts structured
Dev responds well to clear subject, setting, and style blocks.
Series compare
Compare FLUX.1 versions
From Schnell drafts to Ultra resolution — compare classic FLUX tiers and open the one that matches your workflow.
| Feature | FLUX 1.1 Pro Ultra Open page | FLUX 1.1 Pro Open page | FLUX.1 Pro Open page | FLUX.1 DevCurrent You’re viewing this model | FLUX.1 Schnell Open page | FLUX Krea Dev Open page |
|---|---|---|---|---|---|---|
| Best for | Flagship 4MP delivery | Daily production quality | Proven commercial quality | Experimentation and tuning | Fastest drafts and volume | Stylized creative direction |
| Speed | Moderate | Fast | Moderate | Fast with Go fast | Fastest | Fast with Go fast |
| Detail / resolution | Up to 4MP | High (standard Pro) | High | Good (tunable) | Standard draft | Good (artistic) |
| Text-to-image | Excellent | Excellent | Excellent | Strong | Strong (fast) | Strong (stylized) |
| Image edit / prompt | Image prompt (Redux) | Image prompt (Redux) | Image prompt (Redux) | Img2img input | Not supported | Img2img input |
| Prompt following | Very strong | Strong | Strong | Good (tunable) | Good for short prompts | Good (expressive) |
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