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This article answers the questions people ask most about their data in Chief: Is it private? Does it train AI models? Who can see it?

Does Chief train AI models on your data?

No. The third-party language models Chief uses to generate responses are not trained on your data. Your uploaded Files, tasks, and project content are used to answer your questions — not to improve anyone’s model.
ℹ️ Good to Know: You’ll see “No LLMs trained on your data” on the sign-up screen and in file-upload prompts. That’s the same commitment described here.

Is your data private by default?

Yes. What you create in Chief belongs to you and your organization. A new task is visible according to its visibility setting (Only you, Specific people, or Everyone in the project), and you choose that level. Applicable Project and Organization Owners retain access to Private tasks.

How your data is used inside Chief

  • To answer you: Files and task content are sent to the model so Chief can respond with context.
  • To power features you turn on: for example, connecting Google brings mailbox and calendar content into a project. Tasks in those projects start Private so that content isn’t shared with the whole project by default.
  • Within your access boundary: Chief only shows you content you’re allowed to see based on project membership and task visibility.

Security and compliance, briefly

Chief is built to support SOC 2 Type II, GDPR, and HIPAA programs. For the full picture, see the Trust and Security page and the Compliance overview.

Frequently asked questions

No. The models Chief uses are not trained on your data.
Access depends on each task’s visibility setting. Only you tasks are visible to you and Owners whose role applies to the Project; other Project members cannot open them. Those Owners can also manage the task’s public secret link. Everyone in the project tasks are visible to anyone with access to the Project.
See the Privacy Policy and Terms of Service. For specific retention periods or data-processing terms, confirm the current details with the Chief team.