The firewall of the AI era · On-device data loss prevention for the AI apps you already use

    Use AI for client work. Keep client data out of it.

    Saibre is a firewall for ChatGPT, Claude, Gemini, Copilot, and 20+ other AI apps. It runs on your computer, turns names, SSNs, card numbers, and health details into placeholders before anything leaves, and blocks prompt attacks coming back. The reply still reads naturally. Nothing you type is ever sent to Saibre.

    Download free

    Free forever plan · No account needed · Mac & Windows · 14-day money-back guarantee on paid plans

    What leaves your machine

    What you type — any AI app

    Write a progress note: Jane Doe, DOB 01/01/1990, phone 123-456-7890, reports panic attacks since the layoff; continue CBT.

    What leaves your machine — rewritten on-device

    Write a progress note: mask-pii-name, DOB mask-pii-dob, phone mask-pii-phone, reports panic attacks since the layoff; continue CBT.

    Names, numbers, and secrets become placeholders before the request leaves. The reply still reads naturally — it just never sees the real values.Animated example: a prompt containing a name and identifying numbers is typed on the left; the copy that leaves the machine, on the right, replaces each with a placeholder.

    Your clients' details shouldn't travel with your prompt.

    Pasting a client's details into ChatGPT sends them to someone else's server. Whatever rules your profession works under, that is a disclosure you would rather not make.

    Saibre replaces those details with placeholders on your computer before anything leaves, and keeps a local log of what it protected — a technical control you can document in your security plan or compliance file.

    Other tools scan your prompts on their own servers, so to protect your data you first have to send it to them. Saibre has no server in the path: it never receives your prompts, your files, or your secrets.

    You remain responsible for your own obligations; no tool changes that. Saibre does not make ChatGPT compliant with anything. It just never sees the data.

    How Saibre compares

    Three ways people try to keep client data away from AI tools, and what each one asks of you.

    ComparisonCloud AI-security scanners"Compliant" chat productsBrowser extensionsSaibre
    Where your data is inspectedOn their serversOn their serversIn one browser tabOn your computer
    What is coveredThe apps IT rolls it out toOne chat windowOne browser, one site at a timeEvery AI app on the machine: browsers, desktop apps, terminal, uploaded files
    What changes for youAn IT projectYou switch toolsYou stay in the browserA two-minute install; keep the tools you use
    What you can show an auditorTheir reportTheir contractNothingA local log you own, exportable on Professional
    Who else holds your dataThe vendorThe vendorNobodyNobody

    Descriptions are of product categories, not of any specific vendor.

    What it covers

    One install protects every AI app on this computer.

    • ChatGPT, Claude, Gemini, Copilot, and 20+ others — in any browser and in their desktop apps
    • Files you upload: PDF, Word, Excel, PowerPoint, CSV
    • Coding assistants and terminal tools

    What it doesn't cover

    • A few apps lock their connections so nothing can inspect them. Saibre blocks their AI traffic rather than letting it leak, with a one-click bypass if you accept the risk.
    • When an AI service reads your cloud drive on its own servers, no local tool can see that traffic. Ours included.
    • Phone apps. Keep client work on your computer.

    When Saibre isn't protecting something, it tells you instead of staying quiet. Coverage reporting is built into every plan.

    Don't take our word for it

    1. 1

      Turn off Wi-Fi. Saibre still masks — because it runs on your computer, not ours.

    2. 2

      The list of AI sites Saibre routes is a plain file on your own machine. Everything not on it goes straight to the internet, untouched.

    3. 3

      Both installers are signed; check the signature before you run anything. Instructions are on the download page.

    Read how it works and what it can't see

    How it works

    1. 1

      Install Saibre. Two minutes, no account.

    2. 2

      It watches only AI apps — ChatGPT, Claude, Gemini, Copilot, and 20+ more. Your bank, your email, and everything else are untouched.

    3. 3

      Sensitive details become placeholders before they leave your computer. The AI's answer still makes sense. Nothing is ever sent to Saibre.

    Run networks for a living? Read exactly what we install and how to verify it

    One flat price. Every AI app on your computer.

    Nothing leaves your machine, so there is nothing to meter.

    Free

    $0 forever

    Masks passwords and keys you paste by accident, plus 3 names or numbers you choose. Not a trial.

    Premium

    $99/yr or $9.99/mo

    Adds SSNs, card numbers, emails, phone numbers, addresses, and dates of birth, catches details in context, and blocks poisoned pages and files.

    14-day money-back guarantee · Cancel anytime · Nothing you type is ever sent to Saibre

    Recommended for client work

    Professional

    $299/yr or $29.99/mo

    Adds all four profession packs — Health, Legal, Tax, Financial — plus an exportable protection log and a regulation-mapped coverage report.

    14-day money-back guarantee · Cancel anytime · Nothing you type is ever sent to Saibre

    Questions before you install

    Saibre does not make ChatGPT compliant with anything. It removes patient identifiers on your computer before text or files reach the AI, and keeps a local log of what it protected. That is a technical control you can document in your risk analysis; your compliance program stays yours.

    Any name or number you enroll is always masked (three on Free, unlimited on Premium and Professional). Premium also catches names and details in context without enrollment, and Professional adds the identifiers specific to healthcare, legal, tax, and financial work.

    ChatGPT, Claude, Gemini, Copilot, and 20+ others: in the browser, in their desktop apps, in the terminal, and in files you upload. Phone apps are not covered; keep client work on your computer.

    You need to be an administrator on your computer, and installation takes about two minutes. If someone else manages your machine, send them our security page — it is written for them.

    No. Everything happens on your computer. There is no Saibre server in the path, and Saibre never receives your prompts, your files, or your secrets. Turn off Wi-Fi and it still masks.

    All questions

    Start with the free plan. Upgrade when it catches something.

    Two minutes to install. No account. Nothing you type is ever sent to Saibre.