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Claude

AI

Source-backed from the published policy documents behind this report

63
reviewed findings
15
key findings
3
free to read here
3
verified controls

Privacy Snapshot

What the published policy covers, and how much we found under each. Tap one to read it.

  • Location 3 findings
  • Messages 4 findings
  • Biometrics 2 findings
  • Sensitive Data 6 findings
  • Tracking 3 findings
  • Advertising & Profiling 9 findings
  • Sharing 12 findings
  • Controls & Permissions 14 findings
  • Other 10 findings

3 findings, in full

The first 3 of this report’s 15 key findings, complete — claim, reasoning, and the policy’s own wording.

Advertising & Profiling Privacy control available Anthropic may use your inputs and outputs to train its models unless you opt out

What this means

Inputs and outputs may be used to train and improve Anthropic's AI models, and the policy states this applies unless the user opts out through account settings.

Anthropic may use a user's Inputs and Outputs to train and improve its AI models unless the user opts out through account settings.

Why this matters

It names both the practice and the fact that a setting governs it.

What the policy says

We may use your Inputs and Outputs to train and improve Anthropic AI models, unless you opt out through your account settings. Even if you opt-out, we will use Inputs and Outputs for model improvement when: (i) your conversations are flagged for safety review to improve our ability to detect harmful content, enforce our policies, or advance AI safety research, or (ii) you've explicitly reported the materials to us (for example via our …

From Anthropic Privacy Policy

View the source document Source captured on

What you can do

A verified privacy control can reduce this.

Plainlyst Premium shows where to find it, what it changes, what it doesn’t change, and what may stop working.

View in Privacy Tune-Up
Messages Personal data you type to Claude is collected and may appear in its reply

What this means

If you include personal data in what you type, Anthropic collects that data, and it may appear again in Claude's response to you.

If you include personal data in what you type to Claude, Anthropic collects that data and it may appear again in Claude's response to you.

Why this matters

It is a plain description of what pasting personal details into a chat actually does.

What the policy says

If you include personal data or reference external content in your Inputs, we will collect that information and it may be reproduced in your Outputs. Depending on the permissions you grant Claude, some Outputs may result in actions with effects outside the Services, such as sending communications, modifying files, or interacting with third-party services on your behalf.

From Anthropic Privacy Policy

View the source document Source captured on

Location As data controller, Anthropic may collect location you provide that could reveal you seek health care

What this means

Location or precise location information that could identify your attempt to seek health care services or supplies is collected where you provide it directly.

Where it acts as the data controller (for example, when you use Claude for personal use), Anthropic collects location or precise location information that could identify your attempt to seek health care services or supplies, where you provide it directly.

Why this matters

Location near a clinic is health information in several US states, and carries stronger rights there.

What the policy says

Information, including location or precise location information, that could identify your attempt to seek health care services or supplies; and

From Anthropic Consumer Health Data Privacy Policy

View the source document Source captured on

12 more key findings a free account opens, by topic

  • Advertising & Profiling 5
  • Controls & Permissions 2
  • Biometrics 1
  • Messages 1
  • Sensitive Data 1
  • Sharing 1
  • Tracking 1

Create a free account to read all 15

And every key finding for every company you use, with your companies saved and a dashboard of what is worth seeing across them, plus your Privacy Tune-Up. An email and a password — no card.

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Unlock the complete Claude report

A free account opens all 15 key findings. 48 additional reviewed findings are available in the complete report.

  • Location 2 more
  • Messages 2 more
  • Biometrics 1 more
  • Sensitive Data 5 more
  • Tracking 2 more
  • Advertising & Profiling 3 more
  • Sharing 11 more
  • Controls & Permissions 12 more
  • Other 10 more

  • Complete report

    48 additional reviewed findings, each shown with the policy wording behind it, like the 15 above.

  • Privacy Tune-Up

    3 verified privacy controls, 2 of them high-impact — where each one is, what it changes, and what may stop working.

  • Stay protectedPlanned

    Told when the policy changes.

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Plainlyst simplifies selected disclosures from privacy policies. It does not claim to capture every statement or practice in a policy, and it is not legal advice.

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Official sources only. Every finding quotes the company’s own policy, and every record names the document behind it. We do not grade anybody.