News: GPT-6
OpenAI GPT-6 Astra release on September 3, 2026: what's new
GPT-6 Astra release: OpenAI shipped its most capable model on September 3, 2026, with a Critical cybersecurity rating.
OpenAI releases GPT-6 Sol and GPT-6 Luna on September 22, 2026
OpenAI released GPT-6 Sol and GPT-6 Luna on September 22, 2026 in ChatGPT Work, Codex and the API.