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%.
40.2%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
Ntthin/gpt-5.6-sol
https://ckey.vn → gpt-5.6-sol
Verified at: 02/11/2026 23:07 (GMT+7)
82.2% · HIGH MATCH
rouyea98/gpt-5.6-sol
https://ckey.vn → gpt-5.6-sol
Verified at: 02/11/2026 23:07 (GMT+7)
75.0% · PARTIAL MATCH
openai/gpt-5.5
https://ckey.vn → gpt-5.4
Verified at: 02/11/2026 22:56 (GMT+7)
70.9% · PARTIAL MATCH
Page 1/66