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News in September 2026

What happened in AI today, in short summaries with a link to the source. Updated every day.

Summaries are written with AI from the linked sources. Read the source for the full story.

30 September 2026

Models
Gemini 4 Argon launches first for security defenders only
Google released Gemini 4 Argon, its most powerful model so far, on 30 September, first to cybersecurity defenders only. It opened to the public and to developers on 13 October, 13 days later, according to Google's own announcements.