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White paperAbex Beheshti9 min read
Meaning without identity
Patent pending · Version 1.0, November 2026
Clinics have been forced to choose between the most capable AI models and the privacy of the people their text describes. Cognitai Hermeta, a patent-pending privacy layer invented at Cognitai, removes that choice. We tested it against Microsoft Presidio and OpenAI Privacy Filter under a protocol written before the test began. Six frontier models from Anthropic and OpenAI answered the same 80 questions about a 50,000-word clinical case file. With Cognitai Hermeta, none of the 4,112 identifying details in the file remained readable, and the models kept 99.6% of the understanding the original text allowed. Each of the other tools gave up privacy or understanding. Cognitai Hermeta gave up neither.