On September 3, 2026, OpenAI announced its new frontier model, "GPT-6 Astra."
Model ReleasesOpenAIGPT-6 Astra
OpenAI Announces GPT-6 Astra
This article is a translation. Read the Japanese original
According to the company's safety overview, GPT-6 Astra was released on the same day, with corresponding safety measures and evaluation results also made public.
Source: Safety overview: GPT-6 Astra（OpenAI、2026-09-03）