Use FLUX.1 Kontext Dev to generate images for free. Online training is now supported!

FLUX.1 Kontext [dev] is a 12 billion parameter rectified flow transformer capable of editing images based on text instructions. For more information, please read our blog post and our technical report. You can find information about the [pro] version in here.

Key Features

Change existing images based on an edit instruction.
Have character, style and object reference without any finetuning.
Robust consistency allows users to refine an image through multiple successive edits with minimal visual drift.
Trained using guidance distillation, making FLUX.1 Kontext [dev] more efficient.
Open weights to drive new scientific research, and empower artists to develop innovative workflows.
Generated outputs can be used for personal, scientific, and commercial purposes, as described in the FLUX.1 [dev] Non-Commercial License.

Usage

We provide a reference implementation of FLUX.1 Kontext [dev], as well as sampling code, in a dedicated github repository. Developers and creatives looking to build on top of FLUX.1 Kontext [dev] are encouraged to use this as a starting point.

FLUX.1 Kontext [dev] is also available in both ComfyUI and Diffusers.

F.1 Kontext Dev - fp8