Stable Diffusion — privacy & data policy

Provider: Stability AI. PromptPrivacy score: 52/100. Last verified November 01, 2026.

What happens to your data?

Stability AI collects your account information, inputs, outputs, device data, and usage activity when you use the service. This information is used to deliver outputs, maintain service operations, and train AI models unless you opt out. Your information may also be shared with service providers, corporate affiliates, and collaborators in shared workspaces.

Does it train on your data?

Trains on your content by default, with an opt-out. Stability AI uses inputs and outputs (including prompts, text, audio, and images) to conduct research and development, including training, fine-tuning, and evaluating machine learning models, unless the user opts out.

Can you opt out?

Yes. Users can opt out of having their inputs and outputs used for model training directly in their Account Settings.

Data retention

Personal data is retained for as long as reasonably necessary to fulfill the purposes set out in the policy, such as while your account remains active, to provide services, to resolve disputes, or to meet legal obligations. No specific numerical retention timelines are provided.

Encryption & security

Stability AI states that it implements appropriate technical and organizational security measures to protect personal data against loss, misuse, and unauthorized disclosure, but it does not specify encryption standards (such as TLS or AES) or compliance certifications.

Is it safe for work?

Use caution with sensitive or regulated business information. Although Stability AI provides an opt-out toggle for AI model training and supports shared enterprise workspaces, the policy lacks specific encryption specifications, defined data retention schedules, and published compliance certifications like SOC 2.

Source policy: https://stability.ai/privacy-policy