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Ryan Greenblatt stories

Oct 23, 2026

OpenAI fires three safety researchers over disappearing Signal messages

OpenAI terminated Tomek Korbak, Mikita Balesni, and Jasmine Wang after finding disappearing messages on Signal in a chat with former chief scientist Ryan Greenblatt, according to the Wall Street Journal.

Oct 23, 2026·3 sources

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Top claims

▪OpenAI suspected Tomek Korbak, Mikita Balesni, and Jasmine Wang of leaking information to an external AI-safety researcher about the internal designs of OpenAI's artificial-intelligence models
▪Mikita Balesni said he shared the August 2026 proposal against opaque AI designs, stripped of company secrets, with Ryan Greenblatt after receiving authorization from OpenAI to speak with Greenblatt about it
▪Tomek Korbak, Mikita Balesni, and Jasmine Wang said they had raised concerns inside OpenAI about potential new AI designs, or architectures, that could accelerate capabilities, but make the systems even harder to understand or control

Topics

AI Safety AI Industry OpenAI OpenAI's firing of three safety researchers