Google Cloud announced that OpenAI models are entering its model garden through a private preview for selected enterprise customers. The announcement names GPT-6 Astra, GPT-6.1 Sol and GPT-6 Luna and says usage is transacted through Google Cloud Marketplace. Google describes future availability in Gemini for business and Google Antigravity as forthcoming. The release is a restricted preview, rather than a general-availability launch. Its displayed publication date and structured datePublished field both identify October 21, 2026.
Source: Google Cloud — https://cloud.google.com/blog/products/ai-machine-learning/google-cloud-brings-openai-models-to-customers Original publication date: 2026-10-21. The source date is stored at 00:00 UTC as a calendar-date representation, not as a verified release time. Summary based on the official announcement; checked on 23 October 2026.