AI Radar

Gemini 4 Argon

Preview · Language, Multimodal, Reasoning · Milestone

Gemini 4 Argon is a reasoning model in Google's Gemini line, announced on 30 September 2026 and first rolled out only to vetted cyber defenders in the Fairwind Program. Google describes it as built for sustained reasoning over long, multi-step work in software engineering, enterprise knowledge work and cybersecurity defense, with output of up to 1M tokens. [1] [2] Primary source

Timeline of Gemini 4 Argon →

Claims and evidence

  • Announced Announced together with the start of a phased rollout to trusted cyber defenders through the Fairwind Program. Primary source[1]
  • ReleasedRelease date unknown
  • Status PreviewLimited access only: rolling out to a set of trusted cyber defenders in the Fairwind Program. Google says it will follow with a release to developers, enterprises and consumers, starting with paid API customers and Google AI Ultra subscribers; no date given as of 2026-10-01. Primary source[1]first two paragraphs; Rolling out soon [2]The technology behind the program; FAQ
      • Parameters Not disclosedNot disclosed by Google. No claim madeNo source

      Lineage

      Predecessors

      No known predecessor.

      Successors

      No known successor.

      Based on

      Not derived from another model.

      Variants and derived

      None recorded.

      Siblings

      None recorded.

      All ancestors

      None.

      All descendants

      None.

      Variants

      No variants recorded in this record.

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