Civitai

Civitai is a platform for discovering and creating AI art, where members share Stable Diffusion and Flux models, images, videos, 3D models and articles, browse featured creators, and take part in challenges and model auctions.

Advertising is bought through a self-serve platform, with guidelines requiring work-safe creatives and barring landing-page pop-ups, malware, impersonation of official alerts, and ads for gambling, weapons, controlled substances or discriminatory content. Accepted formats are limited to JPG, PNG and GIF. Its ads.txt file lists 139 ad system entries, 70 sold directly and 109 through resellers, naming sales houses Snigel Web Services Ltd., Network N Limited and Publisher Collective.