Google's Gemini 4 Carbon tops benchmarks, leads in cybersecurity and coding

Published on Dorsal: October 31, 2026 at 7:43 AM (UTC)

Source date: October 29, 2026 at 9:41 AM (UTC)

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Engadget reports that Google introduced Gemini 4 Carbon as a follow-up to Gemini 4 Argon and said the model achieves the highest AA Index v5.0 score at 59, outpacing Claude Opus 5.5 and GPT-6 Astra. Google highlighted wide margins in cybersecurity and improved secure-code generation, and plans a phased release beginning with select cybersecurity defence companies and later partners via its Fairwind Program.

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According to Engadget, Google claims Gemini 4 Carbon reached an AA Index v5.0 score of 59 and nearly swept multiple categories including agentic coding and knowledge work; the company emphasized large leads in cybersecurity and said Carbon is twice as likely as Argon to produce secure code. Google plans initial access for select cybersecurity defence firms, then broader partner access through its Fairwind Program.

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