Google Cloud adds OpenAI's GPT-Astra and GPT-6 models to Model Garden

Google Cloud is rolling out OpenAI's GPT-Astra, GPT-6.1 Sol and GPT-6 Luna in its Model Garden, starting with a private preview for select enterprise customers. Usage is billed through Google Cloud Marketplace on a single invoice and counts toward Flexible Savings Plans.

• GPT-Astra targets coding, computer use and scientific research
• GPT-6.1 Sol offers near-Astra capability at lower cost
• GPT-6 Luna is a fast, cost-efficient model for everyday work
• API and Codex CLI access available from October 21, 2026