← all comparisons

OpenAI vs Anthropic

It's a fair question to ask of the companies building the assistants: how readable are their own sites to AI crawlers? This head-to-head runs the same checks on OpenAI and Anthropic that we run on everyone else.

A fresh scan of both sites runs every time this page loads. Numbers below are live, not cached.

Scanning openai.com and anthropic.com side by side: crawler access, llms.txt, structured data and content structure. Takes about 20 seconds.

How does your own site compare?

Run a free AI visibility audit of any domain in about 30 seconds. No signup.

Scan your site free