runsonwhat

Anthropic's tech stack

What does Anthropic use?

Anthropic (anthropic.com) uses at least 32 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Google Analytics for analytics and Stripe for payments. Last checked .

Industry
Artificial Intelligence
Size
1,001–5,000 employees
Based in
United States
Founded
2021
LinkedIn
Company page
Re-check liveVisit anthropic.com
Tools found
32
Categories
17
Oldest proven tool
Jun 2023
Last checked
Oct 2026

Anthropic's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

3 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

Application

9 tools, what the product is built with

Frontend

Auth & Identity

Backend & Database

AI

Payments & Billing

Media & UI

Data & Observability

4 tools, what they measure and store

Analytics

Flags & Experiments

Go-to-market

5 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Company Ops

11 tools, what the team runs on day to day

Workspace

Collaboration

Dev Tools

Security & Compliance

What changed at Anthropic

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. Vanta
  2. Stripe
  3. HubSpot CMS
  4. WorkOS

Companies like Anthropic also use

Tools common among companies with a similar stack that we haven't found at Anthropic.

Companies with a stack like Anthropic's

Ranked by shared tools, with rare tools counting more.

Anthropic tech stack FAQ

What tools does Anthropic use?

As of October 2026, runsonwhat has found 32 tools at Anthropic (anthropic.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: jQuery, YouTube and GSAP. Data & Observability: Google Analytics, Google Tag Manager and Segment. Go-to-market: Google Ads, Webflow and HubSpot CMS. Company Ops: Microsoft 365, Google Workspace and Atlassian. Last checked October 18, 2026.

What cloud does Anthropic run on?

Anthropic uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services on anthropic.com's subprocessor list and code on anthropic.com. Amazon Web Services is used by 145,586 companies runsonwhat tracks.

What email provider does Anthropic use?

Anthropic uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 710,108 companies runsonwhat tracks.

What payment provider does Anthropic use?

Anthropic uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on anthropic.com, and Anthropic has used it since at least August 2023. Stripe is used by 27,889 companies runsonwhat tracks.

What analytics tools does Anthropic use?

Anthropic uses Google Analytics for analytics, alongside Google Tag Manager and Segment, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on anthropic.com. Google Analytics is used by 877,369 companies runsonwhat tracks.

What is Anthropic's website built with?

Anthropic uses Webflow for its website, alongside HubSpot CMS and Sanity, according to runsonwhat (October 2026). runsonwhat found Webflow through Webflow code on anthropic.com. Webflow is used by 34,815 companies runsonwhat tracks.

How long has Anthropic used Vanta?

Anthropic has used Vanta since at least June 2023, going by the first public certificate of the anthropic.com subdomain that points at Vanta. Other long-running tools at Anthropic include Stripe (since August 2023), HubSpot CMS (since January 2025) and WorkOS (since January 2026).

Does Anthropic use jQuery?

Yes. runsonwhat found jQuery at Anthropic through jQuery code on anthropic.com. jQuery is a Frontend tool used by 914,254 companies runsonwhat tracks.

Does Anthropic use AI tools?

Yes. runsonwhat has found ElevenLabs and Parallel at Anthropic; ElevenLabs, for example, through a DNS verification record for ElevenLabs. AI services called only from servers leave no public trace, so Anthropic may use more AI tools than these.

Which companies have a tech stack similar to Anthropic's?

The companies with the stacks most like Anthropic's are Baseten, Uniplay Learning, Index Ventures and CB Insights, according to runsonwhat (October 2026). Each shares 9 to 17 tools with Anthropic, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Anthropic uses?

runsonwhat reads public records only. Of the 32 tools at Anthropic, 16 were found through DNS records, 10 through code on anthropic.com, 3 through subdomains that point at the vendor, 2 through its own subprocessor list and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and anthropic.com about monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.