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://ckey.vn

Claimed modelthanhnhan9023/claude-opus-5.5

Compared againstclaude-opus-4.7, claude-opus-4.8, claude-opus-5, claude-opus-5.5

Verified at02/11/2026 22:30 (GMT+7)

API keyHidden for security

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

48.4%similarity

claude-opus-4.7 · PARTIAL MATCH. Similarity between 60% and 79.9%.

62.8%similarity

claude-opus-4.8 · LOW MATCH. Low similarity, below 60%.

51.8%similarity

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

52.7%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.