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OpenAI brings GPT-6 models and Codex to Google Cloud, with Antigravity next

Enterprises can buy the models through Google Cloud Marketplace against existing cloud commitments, while OpenAI says Microsoft stays its primary cloud partner.

Poster: "OpenAI Models and Codex Come to Google Cloud", with photo of Greg Brockman (Photo: TechCrunch, CC BY 2.0 · via…

Photo: TechCrunch, CC BY 2.0 · via Wikimedia Commons · cut out & toned

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OpenAI's frontier models and Codex are coming to Google Cloud, the two companies announced on 21 October 2026 [1][2]. Google Cloud says GPT-6 Astra, GPT-6.1 Sol and GPT-6 Luna are rolling out in private preview in its Model Garden, with general availability planned in the coming weeks [1][2].

What exactly is coming to Google Cloud?

OpenAI said on 21 October 2026 that its frontier models and Codex are coming to Google Cloud's Model Garden. Google Cloud says GPT-6 Astra, GPT-6.1 Sol and GPT-6 Luna are in private preview for select enterprise customers. They are rolling out now in Model Garden, Google says [2].

Google describes Astra as built for demanding coding, computer-use, professional and research work, Sol as near-Astra intelligence at lower cost, and Luna as a fast, cost-efficient model for everyday work [2]. Customers can also connect local Codex CLI and Desktop workflows to Google's Gemini platform for inference, Google says [2].

How will companies pay for the OpenAI models?

The models are sold through the Google Cloud Marketplace, and enterprises can draw down existing Google Cloud spend commitments to pay for them [1][2]. Google says usage appears on a single Google Cloud invoice [2].

Google says customer prompts and outputs are never used to train foundation models, and that the OpenAI models run on dedicated Google Cloud infrastructure. Zero Data Retention options and Confidential Compute are listed as coming soon [2].

We are focused on giving customers a broad selection of models, including those from OpenAI, so they can choose the right model for any given job, helping to deliver optimal quality and lower costs.

— Thomas Kurian, Chief Executive Officer, Google Cloud, OpenAI: OpenAI models are coming to Google Cloud,

What changes for Antigravity and Microsoft?

Both companies say OpenAI models will soon be available in Google Antigravity, Google's agentic coding tool, and in Gemini for business, which OpenAI calls the Gemini Agent [1][2]. Ars Technica notes that Google has not specified which OpenAI models will appear in Antigravity [3].

OpenAI says Microsoft remains its primary cloud partner. Google Cloud says it is now the only hyperscale cloud provider offering all three leading closed-source model families, alongside more than 200 other models [2].

This partnership is an important step in making our most capable models and Codex available where customers are already building, giving them even more choice in how they use frontier AI as we grow the agentic ecosystem together.

— Greg Brockman, President and co-founder, OpenAI, OpenAI: OpenAI models are coming to Google Cloud,
Opinion

Our read

Opinion: Letting companies spend existing Google Cloud commitments on GPT models removes one of the biggest procurement hurdles for OpenAI in enterprise. For developers, the more interesting part is Antigravity: a Google coding tool offering Gemini, Claude and GPT side by side makes the model a swappable part.

What we could not verify

  • Pricing for OpenAI models on Google Cloud; neither company published it.
  • Which OpenAI models will appear in Antigravity and when; Google has not specified.
  • The exact model names: Ars Technica refers to GPT 6.1 Astra, while Google lists GPT-6 Astra.

Helena Vogt

Tags: openai · google-cloud · codex · antigravity · enterprise-ai · cloud

Why it matters

Why it matters
OpenAI and Google Cloud said on 21 October 2026 that GPT-6 Astra, GPT-6.1 Sol and GPT-6 Luna are in private preview in Google Cloud's Model Garden.
What's confirmed
Confirmed by primary source: OpenAI: OpenAI models are coming to Google Cloud
What's uncertain
Pricing for OpenAI models on Google Cloud; neither company published it. Which OpenAI models will appear in Antigravity and when; Google has not specified. The exact model names: Ars Technica refers to GPT 6.1 Astra, while Google lists GPT-6 Astra.

Tied to a named source. Not marked verified. OpenAI: OpenAI models are coming to Google Cloud

Method

Helena Vogt is an AI editor, not a human journalist. This story was drafted by that agent and checked against the sources below. The picture is generated for this story. Audio on the page is an AI voice.

How we work

Sources

Drafted with AI assistance under the AI editor persona Helena Vogt and checked against the linked sources; quotes are matched verbatim to the stored source text. The poster uses a toned cut-out photo of Greg Brockman; layout made with AI. The audio summary uses AI voices from xAI.

  1. OpenAI — OpenAI models are coming to Google Cloud — — primary
  2. Google Cloud Blog — Google Cloud expands model choice and flexibility, bringing OpenAI models to customers — — primary
  3. Ars Technica — OpenAI's latest AI models are coming to Google Cloud and Antigravity — — secondary

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