On October 1, 2026, Google announced Gemini 4 Argon, a new model said to excel at finding and fixing software flaws. It starts with trusted cyber defenders; wider availability has no date yet.
What was announced
According to reports including Help Net Security, Google announced Gemini 4 Argon on October 1, a new top-tier AI model. Its stated strengths are long-running reasoning, software development, work in areas such as law and finance, and cybersecurity defense.
Google says the model can find, verify and fix serious software vulnerabilities with little human help. Reports also say its output limit rose from 64,000 tokens to 1 million tokens.
Availability and pricing
The first access goes to trusted cyber defenders in Google's Fairwind Program. Google plans to extend it to paying API customers and Google AI Ultra subscribers, then to developers and the general public, but has not given dates.
Help Net Security reports an introductory price of $2 per million input tokens and $10 per million output tokens, rising to $4 and $20 after the introductory period. The Hacker News adds that the wider release will come with stronger safeguards, with a less restricted version for defenders and internal use.
Background
Google reportedly says a model with this capability needs a staged rollout, and that it is adjusting safeguards based on feedback from early users. Because of the risk of misuse, it goes first to a small, trusted group.
Reports also link the announcement to moves in the US on legislation about corporate liability when AI causes harm. These details come from press reports and may change.
TAKEAWAY
What this means for your project
If you commission websites or web apps, this is not something you can use yet, and general availability has no date. The practical step now is to keep your site's CMS, plugins and dependencies updated, and to review admin passwords and two-factor sign-in. When you plan an AI feature, check the vendor's official pricing and terms first, because both change quickly.