SoK: DARPA's AI Cyber Challenge (AIxCC): Competition Design, Architectures, and Lessons Learned
DARPA's AI Cyber Challenge (AIxCC, 2023-2025) represents the largest competition to date for autonomous cyber reasoning systems powered by large language models, tasked with discovering and fixing vulnerabilities in real-world open-source software. This systematic analysis examines competition design, finalist architectures, and performance drivers, revealing both genuine technical advances and remaining limitations in autonomous cybersecurity systems.

