› Google DeepMind announced Gemini 4 Carbon on October 28, 2026.
› The company calls it its most capable model, and it took first place in the Artificial Analysis Intelligence Index v5.0 with a score of 59.Carbon arrived just two weeks after Gemini 4 Argon, showing how quickly DeepMind is pushing the frontier.
› The model focuses on two areas: long-running engineering tasks that require days of agentic work, and cybersecurity.Three cybersecurity benchmarks, three recordsIn cybersecurity, Carbon achieved state-of-the-art results across key stages of defense, from finding vulnerabilities to validating and fixing them.
› It scored 88.2% on SEC-bench Pro (vulnerability detection), 54.8% on ExploitGym (exploitation) and 71.0% on CWE-bench (bug fixing).