Share less with the chatbot: remove secrets and identifiers, use a short de-identified excerpt, and check the service’s data-use, history, memory, file, and access controls before sending anything confidential. Privacy settings can reduce some uses or retention, but they do not make it safe to submit information you should keep private.
Is it safe to paste personal information into an AI chatbot?
It depends on the information, the service, its settings, and whether the account is personal or managed by an organization. Do not paste passwords, API keys, authentication codes, payment details, government identifiers, patient or client details, or confidential business information unless your organization has approved the tool and the disclosure is necessary.
Even information that seems anonymous can be identifying when combined with other details. NIST’s Artificial Intelligence Risk Management Framework: Generative Artificial Intelligence Profile (2024) describes risks that include exposing sensitive information and inferring it by combining signals. That is a reason to minimize what you share, not evidence that every chatbot will disclose every prompt.
How do I remove personal information from an AI prompt?
- Keep only what the task needs. Ask whether the chatbot needs the full document or exact personal details. A narrow excerpt or summary is often enough.
- Replace identifiers. Use placeholders such as
[CLIENT]or[ACCOUNT]instead of names, account numbers, and other direct identifiers. - Generalize details that are not essential. Use a broad date range or location rather than an exact date or address when precision is unnecessary.
- Remove unrelated material. Before uploading a file, check for extra pages, hidden sheets, comments, tracked changes, and metadata that are not needed for the task. This is a precautionary practice, not a guarantee that a file has been fully sanitized.
- Review the final prompt and attachment. Look for credentials, identifiers, and confidential details before submitting. Redacting the visible text alone may not remove information stored elsewhere in a document.
Which chatbot privacy controls should you check?
Controls are not interchangeable, and their names and behavior differ by provider. Read the service’s current privacy and data-use terms, then check each relevant control separately:
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#1 Best Overall
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- Model improvement: Can conversations be used to improve models, and does opting out apply to future conversations only?
- Chat history and deletion: Do saved chats remain until deleted? What deletion period and exceptions apply?
- Memory: Does the service save or update information for use in later conversations, and how can that be managed?
- Files: Are uploads stored separately from chats, and does deleting a conversation also remove separately saved files?
- Connected apps and agents: What account data can integrations or tools access? Disable what the task does not require and avoid granting broader access than necessary.
- Workspace administration: For a work or school account, what can administrators access, and what retention or contractual rules apply?
The FTC’s January 2024 guidance says AI companies should honor their privacy and confidentiality commitments. It also warns that unclear notices or undisclosed changes in data use can raise legal concerns. This is general regulatory guidance, not a finding about every chatbot or a substitute for legal advice. The FTC’s September 2025 inquiry into AI companion chatbots sought information about providers’ handling and use of conversational data; the inquiry itself does not establish that providers misused it.
ChatGPT: what do training, history, Temporary Chat, and deletion mean?
OpenAI’s documentation describes controls specific to ChatGPT; they should not be assumed to apply to other services. Availability can depend on sign-in status, plan, and workspace settings. Check the current documentation and interface for the account you use.
Rank #2
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Turning off model improvement
OpenAI says turning off “Improve the model for everyone” means new conversations will not be used to train its models, but those conversations can still appear in chat history. OpenAI also says submitting feedback may result in the entire associated conversation being used for training, even if the user has opted out. The control is therefore not a history or deletion setting.
OpenAI says content in individual services may be used to improve models when the relevant control is on. Its documentation states that Business, Enterprise, Edu, and API content is not used for training by default, subject to the qualifications and settings in that documentation. These are OpenAI-specific statements, not a comparison proving one service is more private than another.
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Temporary Chat
OpenAI says Temporary Chats do not appear in chat history, do not create or update memories, and are not used to improve models while they remain temporary. They may nevertheless be retained for up to 30 days for safety. Temporary Chat should not be treated as an immediate-erasure feature.
Deleting chats and files
According to OpenAI’s retention guidance, saved or archived chats remain until deleted or removed under an applicable workspace retention policy. A deleted saved chat disappears from the account view immediately and is scheduled for permanent deletion within 30 days, subject to exceptions: it may already have been de-identified or disassociated, or it may need to be retained longer for security or legal obligations. Temporary chats may also be kept for up to 30 days for safety. Files saved separately in Library may remain after the conversation is deleted.
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For the exact current behavior, consult OpenAI’s pages on Data controls in ChatGPT, how data is used to improve model performance, and chat and file retention.
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Best Value
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What should you do before sharing confidential work information?
- Use only a chatbot approved by your organization for that kind of information.
- Ask your administrator or privacy/security team about retention, access, and contractual protections instead of assuming a product tier name guarantees confidentiality.
- Minimize or de-identify the content even when a tool is approved; approval does not make every detail necessary to the task.
- Check whether workspace policies or integrations change who can access content or how long it is kept.
What if you already sent sensitive information?
- Use the service’s deletion and reporting process, but do not assume deleting a chat revokes credentials or removes separately stored files.
- If you exposed a password, API key, or other credential, revoke or rotate it immediately through the relevant account or provider.
- If the material was work-related, follow your organization’s incident-reporting procedures.
- Review the service’s current retention terms to understand what deletion does and what exceptions may apply.
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