Google AI announces Gemini 4 Argon and its Fairwind rollout

Google AI describes Argon as built for deep reasoning over long-horizon workflows (software engineering, legal and finance, cyber defense), confirms the 1M-token output limit and says it is rolling out to trusted cyber defenders in the Fairwind Program first.

Announcing Gemini 4 Argon, our new frontier model.

Argon is built to sustain deep reasoning across complex, long-horizon workflows and delivers frontier performance in complex workflows across real-world software engineering, enterprise knowledge work like legal and finance, and cybersecurity defense.

We’re also expanding the model’s output token limit to an industry-leading 1M tokens.

Argon is currently rolling out to a set of trusted cyber defenders in the Fairwind Program, with broader availability as soon as possible.

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Archived 2026-10-01 via fxtwitter (unofficial).