CKEY AI TOOLS

AI model check

Compare the endpoint's answers with reference data to see whether the model behaves as published.

API key never stored Multi-dimension scoring Clear verdict

Check result RESULT

Tested endpointhttps://api.xah.io

Claimed modelclaude-opus-5-5

Compared againstclaude-opus-5, claude-opus-5.5

Verified at08/11/2026 00:01 (GMT+7)

API keyHidden for security

claude-opus-5 · LOW MATCH. Low similarity, below 60%.

40.6%similarity

claude-opus-5.5 · LOW MATCH. Low similarity, below 60%.

39.0%similarity

The result reflects similarity across the tested responses, not an absolute genuine/fake verdict.
Reports may be public; public catalog data is metadata and similarity is probabilistic, not proof of model identity.