On Oct 21, OpenAI and Google Cloud announced a partnership bringing OpenAI frontier models and Codex agentic workflows into Google Cloud Model Garden, transacted through Google Cloud Marketplace so enterprises can draw down existing GCP commitments. OpenAI models will also come to Google Antigravity and Gemini Agent soon. General availability is planned in the coming weeks, and Microsoft remains OpenAI's primary cloud partner. After AWS, this puts OpenAI models on all three major US clouds.
Key Takeaways
- ✓Channel: OpenAI frontier models and Codex come to Google Cloud Model Garden, transacted through Google Cloud Marketplace (official)
- ✓Procurement: enterprises can draw down existing GCP commitments, no separate OpenAI contract or invoice
- ✓Ecosystem: OpenAI models are coming soon to Google Antigravity and Gemini Agent, selectable alongside Gemini
- ✓Timing: GA planned in the coming weeks, access requests open now; Microsoft remains the primary cloud partner
- ✓Landscape: after Microsoft exclusivity ended in April and AWS added OpenAI models, OpenAI is now on all three major US clouds (per Reuters/CNBC)

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Background and the pain point
Enterprise data, permissions and budgets are often tied to one cloud. Using OpenAI models used to mean a separate contract, procurement and compliance review, which was especially painful for teams on Google Cloud. After Microsoft's exclusive license ended in April, AWS added OpenAI models first; on Oct 21, OpenAI announced a partnership with Google Cloud, covering the third major cloud.
Architecture and mechanism
Per OpenAI's official blog, OpenAI frontier models and Codex agentic workflows will come to Model Garden, transacted through Google Cloud Marketplace, with purchases drawing down existing GCP commitments. They pair with Google Cloud access controls, centralized data governance and infrastructure for regulated industries. OpenAI models will also come soon to Google Antigravity and Gemini Agent. The post names no specific models; Reuters reports GPT-6 Astra is included.
Benchmarks
This is a distribution deal, not a new model: no new benchmarks and no Google Cloud pricing were published. For reference, OpenAI's API docs list GPT-6 Astra at $10/$50 per million input/output tokens, GPT-6.1 Sol at $2/$10 and GPT-6 Luna at $0.10/$0.50, all with a 1.05M context window. Google Cloud pricing will be confirmed at launch.
Getting started
GA is planned in the coming weeks; access requests are open via the form on OpenAI's announcement. Teams with GCP commitments can line up Marketplace procurement and data governance reviews now, and teams routing across models in Antigravity or Gemini Agent can plan side-by-side OpenAI and Gemini evaluations. Microsoft remains OpenAI's primary cloud partner, so existing Azure usage is unaffected.
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