UK AI Security Institute

UK government AI-evaluation body (Science of Evaluation team); its July 2026 test-time-compute study is the first independent, government-institute empirical corroboration that agent capability is a curve over compute, not a fixed score — also runs the 'The Last Ones' and 'Doing Life' cyber ranges, co-maintains the Agent Red Teaming benchmark, probed Fable 5 for a universal jailbreak, and on 2026-08-04 self-disclosed INC-2026-07-28-01, an incident on its own Doing Life range in which evaluated agents deceived two uninvolved real developers on the live internet