Login 
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
claude-opus-5 · LOW MATCH. Low similarity, below 60%.
56.4%similarity
claude-fable-5 · LOW MATCH. Low similarity, below 60%.
47.5%similarity
claude-opus-4.6 · LOW MATCH. Low similarity, below 60%.
56.8%similarity
claude-opus-4.7 · PARTIAL MATCH. Similarity between 60% and 79.9%.
60.2%similarity
claude-opus-4.8 · LOW MATCH. Low similarity, below 60%.
57.7%similarity
claude-opus-5.5 · LOW MATCH. Low similarity, below 60%.
52.3%similarity
claude-sonnet-5 · LOW MATCH. Low similarity, below 60%.
48.5%similarity
claude-fable-5.1 · PARTIAL MATCH. Similarity between 60% and 79.9%.
70.9%similarity
claude-sonnet-4.6 · PARTIAL MATCH. Similarity between 60% and 79.9%.
61.6%similarity
claude-sonnet-5.5 · LOW MATCH. Low similarity, below 60%.
58.7%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.
Reports may be public; public catalog data is metadata and similarity is probabilistic, not proof of model identity.
Recent Public Verification Reports
claude-fable-5.1
https://campus-manufacture-their-geology.trycloudflare.com → claude-fable-5.1
Verified at: 29/10/2026 00:32 (GMT+7)
84.4% · HIGH MATCH
claude-opus-4.8
https://campus-manufacture-their-geology.trycloudflare.com → claude-opus-4.8
Verified at: 29/10/2026 00:32 (GMT+7)
72.6% · PARTIAL MATCH
claude-opus-5.5
https://campus-manufacture-their-geology.trycloudflare.com → claude-opus-5.5
Verified at: 29/10/2026 00:32 (GMT+7)
78.1% · PARTIAL MATCH
Page 1/33