Anthropic
Anthropic sells API access to its Claude model family for text and image input with text output.
Usage-based per token with separate input and output rates by model tier, an asynchronous batch path at about half the standard rate, and prompt caching billed separately for cache writes and cache reads.
Proprietary
Appears in 1 guide
Where it ranks
Guides that include Anthropic.
Security headers
What Anthropic's website sends to your browser.
Scanned 2026-08-25. Grade headers B, scoring 70 out of 100.
+
Content-Security-Policy is set
+
Strict-Transport-Security is set
+
X-Content-Type-Options: nosniff is set
+
X-Frame-Options is set
−
No Referrer-Policy, so full URLs may leak to third parties
−
No Permissions-Policy, so powerful browser features are not restricted
−
No Cross-Origin-Opener-Policy
−
No Cross-Origin-Resource-Policy
+
No server-version or X-Powered-By disclosure
This is one narrow, automated check of the HTTP response headers on the vendor's own website. It says nothing about how the product itself is built, how it stores your data, or whether it has ever been audited. A good grade here is a small signal that somebody was paying attention.