Google Cloud Adds OpenAI’s GPT-6 Astra, Sol and Luna to Model Garden

Google Cloud has integrated OpenAI's GPT-Astra, GPT-6.1 Sol, and GPT-6 Luna models into its enterprise AI platform, offering these through its model garden with private previews starting October 21, 2026. This move allows customers to select from multiple leading closed-source large language models within a unified environment, optimizing for cost, performance, and workload needs. Billing is consolidated via Google Cloud Marketplace, supporting flexible model switching and enterprise-grade data,