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Release notes   Gemini 4 Argon announced. Initial access is limited.Availability snapshot ·
Release & availability

Can you use Gemini 4 Argon yet?

What the initial release includes, what Google has announced next, and what still needs confirmation.

Release channels

A phased rollout, at a glance.

Official announcement ↗
INITIAL RELEASE

Fairwind

Trusted cyber defenders. This is the initial access described in the announcement.

Not a general public launch
PLANNED

Paid API

A future wider-release channel. An exact public model ID and successful request remain unverified here.

No confirmed general launch date
PLANNED

Google AI Ultra

A future subscriber channel. Confirm product-specific availability before relying on access.

Subscription does not establish entitlement

Reviewed October 1, 2026. This page is a snapshot, not a real-time availability check.

Check the channel you need

For an API integration, look for public model documentation that names Argon explicitly, provides its model identifier and explains how requests are made. For a consumer subscription, look for product-specific rollout notices. These checks answer different questions; do not assume one channel’s access implies another’s.

We are not publishing an executable Argon request yet because we have not verified a public model identifier or completed a request ourselves. An announced price is useful for planning, but it is not proof that your account can call the model.

What you can prepare now

  • Build a small, representative evaluation set with measurable acceptance criteria.
  • Identify the tools and permissions your proposed workflow needs.
  • Estimate the cost range using the announced rates.
  • Choose a fallback for interrupted or unsuccessful work.

Keep the integration decision separate from the evaluation plan. You can define a good test before access becomes available.

What would change this page?

A public API reference, an official release date, or channel-specific product documentation would warrant an update. The source library identifies the announcement used for this snapshot. We do not operate an access waitlist or collect requests on Google’s behalf.

A competitor's release does not establish your access

Anthropic describes Fable 5.1 as generally available, while OpenAI describes Astra's rollout across multiple channels. Check the exact account, region and administrator settings for any model you plan to use. These sources do not establish broader Argon access.