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Gemini 4 Carbon: Google's Agentic AI for Autonomous Vulnerability Remediation
Google's Gemini 4 Carbon is a frontier agentic AI model engineered for autonomous vulnerability remediation across large codebases and low-level systems. Announced October 28, 2026, it succeeds Gemini 4 Argon and performs multi-day, long-horizon security tasks without continuous human intervention. The model achieves 88.2% on SEC-bench Pro for vulnerability discovery and 54.8% on ExploitGym for exploitation validation. Access is restricted to a limited preview for selected cyber defenders under a safety-first rollout.