FLUX.1 Dev model guide
An open-weight FLUX.1 model for development, research, and customizable image generation.
What is FLUX.1 Dev?
FLUX.1 Dev provides downloadable weights and reference code for text-to-image and supported image-to-image workflows.
Verified image examples
No rights-verified sample is available for this guide. Review the official source for current examples.
FLUX.1 Dev capabilities
FLUX.1 Dev inputs and controls
These controls come from the linked official source. A host or local runtime can expose a smaller set.
| Field | Type | What it controls |
|---|---|---|
| Prompt | Text | Describes the requested image. |
| Width and height | Integer | Set the output dimensions. |
| Steps | Integer | Sets the sampling step count. |
| Guidance | Number | Sets prompt guidance in supported runtimes. |
| Seed | Integer | Supports repeatable variation. |
Best uses for FLUX.1 Dev
- Local generation
- Research
- Custom workflows
Limits to consider
- The weight license excludes unlicensed commercial and production use.
- Local inference needs compatible accelerator memory.
- Fine-tunes and quantizations can change output behavior.
Availability and license context
Availability: Weights and reference inference code are available from Black Forest Labs.
License context: FLUX.1 Dev weights use the FLUX.1 Dev Non-Commercial License. Commercial licensing is separate.
FLUX.1 Dev questions
What is FLUX.1 Dev?
FLUX.1 Dev provides downloadable weights and reference code for text-to-image and supported image-to-image workflows.
When was FLUX.1 Dev introduced?
FLUX.1 Dev was introduced or documented in 2024.
What can FLUX.1 Dev do?
FLUX.1 Dev supports text-to-image generation and image-to-image generation.
What is FLUX.1 Dev best for?
It is useful for local generation, research, custom workflows.
Where is FLUX.1 Dev available?
Weights and reference inference code are available from Black Forest Labs.
What license applies to FLUX.1 Dev?
FLUX.1 Dev weights use the FLUX.1 Dev Non-Commercial License. Commercial licensing is separate.
Source and review note
Capabilities can change. Review the official documentation before production or commercial use.
Official FLUX.1 inference repository