OpenAI has launched GPT-5.6-Cyber, a specialized cybersecurity model designed for vulnerability research, penetration testing, and incident response. Built on the GPT-5.6 Sol…
OpenAI has released three versions of GPT-5.6—Sol, Terra, and Luna—as a limited preview to a small number of companies in coordination with…
The Daybreak initiative by OpenAI released an improved GPT-5.5-Cyber model to trusted defenders.
OpenAI has announced the release of an improved version of its GPT-5.5-Cyber model as part of the Daybreak initiative, aimed at helping…
GPT-5.5-Cyber is the predecessor to GPT-5.6-Cyber, released by OpenAI in June 2026. It completed 57.3% of advanced cybersecurity requests in internal evaluations.