LangSmith
LangChain's hosted platform for tracing, evaluating and monitoring LLM and agent applications.
Free single-seat developer tier; paid tier is per seat plus usage-based trace charges, with extended retention priced separately; enterprise is custom quoted.
Proprietary
Appears in 1 guide
Where it ranks
Guides that include LangSmith.
Security headers
What LangSmith's website sends to your browser.
Scanned 2026-08-25. Grade headers D, scoring 40 out of 100.
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Content-Security-Policy is set
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No Strict-Transport-Security, so browsers may still attempt plain HTTP
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No X-Content-Type-Options, so MIME sniffing is not disabled
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X-Frame-Options is set
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No Referrer-Policy, so full URLs may leak to third parties
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No Permissions-Policy, so powerful browser features are not restricted
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No Cross-Origin-Opener-Policy
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No Cross-Origin-Resource-Policy
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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.