  The generative AI revolution in recent years has been spurred by an expansion
in compute power and data quantity, which together enable extensive
pre-training of powerful text-to-image (T2I) models. With their greater
capabilities to generate realistic and creative content, these T2I models like
DALL-E, MidJourney, Imagen or Stable Diffusion are reaching ever wider
audiences. Any unsafe behaviors inherited from pretraining on uncurated
internet-scraped datasets thus have the potential to cause wide-reaching harm,
for example, through generated images which are violent, sexually explicit, or
contain biased and derogatory stereotypes. Despite this risk of harm, we lack
systematic and structured evaluation datasets to scrutinize model behavior,
especially adversarial attacks that bypass existing safety filters. A typical
bottleneck in safety evaluation is achieving a wide coverage of different types
of challenging examples in the evaluation set, i.e., identifying 'unknown
unknowns' or long-tail problems. To address this need, we introduce the
Adversarial Nibbler challenge. The goal of this challenge is to crowdsource a
diverse set of failure modes and reward challenge participants for successfully
finding safety vulnerabilities in current state-of-the-art T2I models.
Ultimately, we aim to provide greater awareness of these issues and assist
developers in improving the future safety and reliability of generative AI
models. Adversarial Nibbler is a data-centric challenge, part of the DataPerf
challenge suite, organized and supported by Kaggle and MLCommons.
