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What Cookies Does Anthropic Use?
What Cookies Does Anthropic Use?
Updated over a week ago

The following tables provide brief descriptions of the cookies used on Anthropic websites.

These tables may be updated from time to time. Please take a look at our Cookie Policy if you'd like more information on how and why we use cookies.

Necessary Cookies

Necessary cookies are used to provide basic functionality of our Services and cannot be refused - for example: authentication, site preferences (including cookie opt-out preference), or security.

Cookie Name

Purpose

Domain

First or Third Party

Lifespan

sessionKey

Authentication

.anthropic.com, .claude.ai

First

30 days

activitySessionId

Authentication

.anthropic.com, claude.ai

First

12 hours

CH-prefers-color-scheme

Preferences

.anthropic.com, claude.ai

First

1 year

lastActiveOrg

Preferences

.anthropic.com, claude.ai

First

1 year

__ssid

Security

.anthropic.com, .claude.ai

First

13 months

__stripe_sid

Security

.anthropic.com, .claude.ai

Stripe

30 minutes

__stripe_mid

Security

.anthropic.com, .claude.ai

Stripe

1 year

m

Security

.anthropic.com, .claude.ai

Stripe

2 years

__cf_bm

Security

.anthropic.com, .claude.ai

Cloudflare

30 minutes

cf_clearance

Security

.anthropic.com, .claude.ai

Cloudflare

1 year

Google security cookies (various)

Functionality

Security

.google.com

Google

various

intercom-device-id-#######

Functionality

Security

.anthropic.com, .claude.ai

Intercom

9 months

intercom-id-#######

Support Preferences

.anthropic.com, .claude.ai

Intercom

1 week

intercom-session-#######

Support Preferences

.anthropic.com, .claude.ai

Intercom

1 week

Analytics Cookies

Analytics cookies are not necessary to deliver our Services, but they do enhance performance of our Services - for example: analyzing website traffic or performance, or understanding how you interact with our website or Services.

Cookie Name

Purpose

Domain

First or Third Party

Lifespan

ajs_anonymous_id, ajs_user_id

Performance and Analytics

.anthropic.com, claude.ai

First

1 year

Google Analytics cookies (various)

Performance and Analytics

various (more info)

Google

various

li_giant

Conversion tracking analytics

.anthropic.com, claude.ai

LinkedIn

7 days

oribi_cookie_test

Conversion tracking analytics

.anthropic.com, claude.ai

LinkedIn

Session

oribili_user_guid

Analytics

.anthropic.com, claude.ai

LinkedIn

1 year

ln_or

Analytics

.anthropic.com, claude.ai

LinkedIn

1 day

Marketing Cookies

Marketing cookies are not necessary to deliver our Services, but they do help us market our Services more effectively to users that we, our service providers, and our business partners believe may be interested in using our Services. They also help provide us with aggregated reporting and help us know when marketing content has been shown to you.

Cookie Name

Purpose

Domain

First or Third Party

Lifespan

Google Advertising cookies (various)

Targeted Marketing

various

Google

various

_fbc

Targeted Marketing

.anthropic.com, claude.ai

Facebook

2 years

_fbp

Targeted Marketing

.anthropic.com, claude.ai

Facebook

90 days

_rdt_uuid

Targeted Marketing

.anthropic.com, claude.ai

Reddit

1 year

guest_id

Targeted Marketing

.twitter.com

Twitter

348 days

guest_id_ads

Targeted Marketing

.twitter.com

Twitter

348 days

guest_id_marketing

Targeted Marketing

.twitter.com

Twitter

348 days

personalization_id

Targeted Marketing

.twitter.com

Twitter

348 days

muc

Targeted Marketing

.t.co

Twitter

400 days

muc_ads

Targeted Marketing

.t.co

Twitter

400 days

Cookie Settings

You can control how and when your personal data is shared or used in the following ways:

  1. Clicking on "Privacy Choices" in the footer of our main website (anthropic.com)

  2. Clicking on "Your Privacy Choices" in the Learn More overflow menu on claude.ai:

  3. Enabling global privacy controls in your browser


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