Google Unveils Gemini 4 Carbon AI Model with Cybersecurity Benchmark Scores

Google introduced Gemini 4 Carbon on October 28, 2026, two weeks after Argon. It reported cybersecurity scores of 88.2% on SEC-bench Pro for finding vulnerabilities, 54.8% on ExploitGym for exploitation and 71.0% on CWE-bench for patching. It said some trusted cyber defenders would get access that week, followed by more partners through its Fairwind Program. One commenter noted that patches still need to be shipped and verified.