Does Stable Diffusion train AI on your data?
Yes, unless you opt out
“When we use your Inputs and Outputs to train our models, you can opt-out of our use of this personal data for these training purposes.”
From Stable Diffusion's privacy policy , checked Oct 28, 2026.
The rest of the data policy
Data retention
Kept as long as reasonably necessary, including while account is active
“Stability retains your personal data for as long as reasonably necessary for the purposes outlined in this Privacy Policy, including for as long as your account is active”
Where data is stored
US
“including processing your personal data in our servers in the US”
Security and compliance
None stated
Similar tools that say they don't train on your data
“No model training on your data”
“We do not use your inputs or outputs to train any AI models”
“Your request and the generated response is not retained after the request completes, and your data is not used for training or any other purpose.”
Stable Diffusion and your data: common questions
Does Stable Diffusion use my data to train AI?
Yes, unless you opt out. Stable Diffusion's policy says: "When we use your Inputs and Outputs to train our models, you can opt-out of our use of this personal data for these training purposes." (checked Oct 28, 2026).
Can I stop Stable Diffusion from training on my content?
The policy describes a way to opt out; the wording above says where. Plans for businesses often have different defaults, so check the terms of the plan you're on.
How long does Stable Diffusion keep my data?
Kept as long as reasonably necessary, including while account is active. The policy says: "Stability retains your personal data for as long as reasonably necessary for the purposes outlined in this Privacy Policy, including for as long as your account is active"
Where does Stable Diffusion store data?
US. The policy says: "including processing your personal data in our servers in the US"
Which image generators tools don't train on your data?
Among the closest alternatives, Magnific AI, Ollama, LM Studio say in their policies that they don't use customer content for training.
Business plans often carry different terms than free and individual plans. We record what the public policy says; the quote shows which plan it covers. See Stable Diffusion's full profile or how other AI tools compare.