TL;DR: OpenAI models are coming to Google Cloud. OpenAI and Google Cloud announced on October 21, 2026 that OpenAI’s frontier models and Codex workflows will be offered through Google Cloud’s Model Garden and billed through Google Cloud Marketplace. GPT-6 Astra, GPT-6.1 Sol and GPT-6 Luna are rolling out in private preview to select enterprise customers, with general availability planned “in the coming weeks.” Google Cloud customers will be able to draw down existing spend commitments. OpenAI says Microsoft remains its primary cloud partner.
For years, OpenAI and Google were the two names most often set against each other in the AI race. Now OpenAI models on Google Cloud are becoming a product you can buy with a Google invoice. The deal means OpenAI’s models will be available on all three of the largest U.S. cloud platforms, a big shift from the period when Microsoft held an exclusive license to OpenAI’s technology. Here is what was announced, what is still in preview and what it changes for businesses and developers.
What OpenAI and Google Cloud announced
In a blog post titled “OpenAI models are coming to Google Cloud”, OpenAI said the two companies are partnering to bring its frontier models and Codex agentic workflows into Google Cloud’s Model Garden, the catalog where Google Cloud customers pick and deploy AI models. Google published a matching announcement, “Google Cloud brings OpenAI models to customers”, on the same day.
The key points from both posts:
- Where: OpenAI models appear in Google Cloud’s Model Garden, and Google says they will later reach Gemini for business and the Google Antigravity coding tool. OpenAI also says its models will come to the Gemini Agent.
- Which models: Google lists GPT-6 Astra, GPT-6.1 Sol and GPT-6 Luna as rolling out in private preview to select enterprise customers.
- How you pay: purchases go through Google Cloud Marketplace, appear on a single Google Cloud invoice and can draw down existing Google Cloud commitments. Google adds that usage counts toward its Flexible Savings Plans.
- Codex: Google says customers can connect local Codex CLI and Desktop workflows to its Gemini platform for inference.
- Timing: OpenAI says general availability is planned in the coming weeks. Access is currently through an invite-only preview request form.
The models in the preview
Google described the roles of the OpenAI models it is adding. The table summarizes what each company has said so far; pricing on Google Cloud had not been published in the announcements.
| Model | How Google describes it | Status on Google Cloud |
|---|---|---|
| GPT-6 Astra | Designed for demanding work across coding, computer use, professional tasks and scientific research | Private preview |
| GPT-6.1 Sol | Near-Astra intelligence at lower cost for agentic coding, computer use and professional work | Private preview |
| GPT-6 Luna | Listed in the preview rollout | Private preview |
| Codex workflows | Local Codex CLI and Desktop can connect to Google’s platform for inference | Available to preview customers |
If you are trying to work out which of these fits your use case, our GPT-6 Sol vs Luna comparison breaks down the differences between OpenAI’s mid-tier and lighter models.
Why this is a big deal for OpenAI
Distribution, not just better models
According to CNBC, the move reflects OpenAI’s push to reach enterprise developers as it tries to build its business beyond its consumer roots. CNBC notes that less than six months ago OpenAI said Microsoft would no longer hold the exclusive license on its intellectual property, and that Amazon unveiled plans to host OpenAI models the day after that exclusivity ended. Google is the third major cloud to sign on.
Axios framed it the same way: winning enterprise AI is also about making models available wherever companies already run their software and store their data. Big companies often have multi-year spending commitments with one cloud. Letting them spend that budget on OpenAI models removes a common procurement hurdle.
Microsoft is still first in line
OpenAI’s post ends with a clear line: “Microsoft remains OpenAI’s primary cloud partner.” So this is an expansion of where OpenAI sells, not a break with Microsoft.
Why Google is selling a rival’s models
Google already sells its own Gemini models, including Gemini 4 Argon. Carrying OpenAI’s models alongside them sounds odd, but Google’s pitch is choice. Google Cloud CEO Thomas Kurian said in OpenAI’s post that the company is “focused on giving customers a broad selection of models, including those from OpenAI, so they can choose the right model for any given job.” Google also claims it is now the only hyperscale cloud provider offering access to all three leading closed-source model families, alongside more than 200 first-party, third-party and open models.
The cloud business is also in strong form. CNBC reported that Google’s cloud segment growth accelerated to about 82% in the second quarter, compared with 37% at Amazon and 42% at Microsoft, and that all three report quarterly results next week. Selling access to popular third-party models can bring more workloads, and more spending on compute, onto Google’s platform even when the model is not Google’s own.
The two companies have worked together before. CNBC notes OpenAI said last year it was using Google’s cloud to run ChatGPT and its API.
What it means for developers and businesses
- One bill, existing commitments. Teams already on Google Cloud can try OpenAI models without a separate OpenAI contract, and the cost can come out of budget they have already committed.
- Easier model switching. Google says customers can select and swap models by performance, latency and cost without separate vendor contracts. That makes A/B testing GPT-6 against Gemini or other models in one environment simpler.
- Governance in one place. OpenAI says the integration pairs its models with Google Cloud’s access controls and data governance, which matters most in regulated industries.
- Codex for Google shops. Engineering teams can point Codex workflows at Google’s platform. If you are new to AI coding agents, our guide to MCP in AI explains how agents connect to tools and data.
What we don’t know yet
- Pricing: neither announcement listed per-token prices for OpenAI models on Google Cloud.
- Full availability dates: general availability is promised in “the coming weeks,” with Antigravity and Gemini for business marked “coming soon.”
- Feature parity: it is not yet clear whether every feature available through OpenAI’s own API will be available through Model Garden from day one.
The bottom line
OpenAI models on Google Cloud complete a set: OpenAI’s frontier models are now headed to Microsoft Azure, Amazon’s cloud and Google Cloud. For OpenAI, it is a direct path to enterprise budgets it could not easily reach before. For Google, it is a bet that being the place where companies can use every major model is worth more than keeping a rival off the shelf. For customers, the practical change is simple: if your company runs on Google Cloud, you may soon be able to use GPT-6 models without leaving it. For more on how OpenAI is positioning itself with developers, see our coverage of Replit making OpenAI its default model.
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