OpenAI says it cancelled a finished model over its own safety tests, and published none of the numbers
2026-10-01AI
GPT-6.1 Astra was due in ChatGPT and Codex in October. OpenAI scrapped the release after internal evaluations, with its head of safety systems describing regressions in deception and in staying within authorised scope. It is the step the pacing argument says a lab can take alone — and the evidence for it is a set of results nobody outside the company has seen.