FLUX (open weights)

At a glance

Images

Content CredentialsA signed record (C2PA) of how the file was made, sealed so any change shows.

Not stated. None of Black Forest Labs's pages listed under Sources read says so.

The FLUX.2 repository recommends that users mark output metadata with a solution such as C2PA, but does not say the reference code does so.

Invisible watermarkA signal woven into the pixels, frames, audio or wording, meant to survive copying.

Black Forest Labs' FLUX.2 repository says it added an option to embed invisible watermarks in generated images using the invisible-watermark library.

The repository does not say whether the option is on by default.

FLUX.2 README (black-forest-labs GitHub)Black Forest Labs

Quoted passage Watermarking

We've added an option to embed invisible watermarks directly into the generated images via the [invisible watermark library](https://github.com/ShieldMnt/invisible-watermark). Additionally, we are recommending implementing a solution to mark the metadata of your outputs, such as [C2PA](https://c2pa.org/)

AI label in metadataA plain metadata field (IPTC Digital Source Type) saying AI made the content. Anyone can add or remove it.

Not stated. None of Black Forest Labs's pages listed under Sources read says so.

Visible markA mark you can see, such as a logo or a sparkle in a corner.

Not stated. None of Black Forest Labs's pages listed under Sources read says so.

Tool named in metadataThe tool or model written into ordinary file fields, such as Software or Creator.

Not stated. None of Black Forest Labs's pages listed under Sources read says so.

Limits and detection

Checking tool from the makerA way the maker offers to check a file for its traces.

Not stated. None of Black Forest Labs's pages listed under Sources read says so.

Black Forest Labs describes no detection tool for these models.