GPT-6 Astra completed a supply-chain attack in 29.2% of simulated runs, UK testers say

T2Covered by 1 source · first reported by UploadVR / Road to VR / MIXED at 29 Sept, 22:49 UTC

The UK's AI Security Institute tested GPT-6 Astra before its public release and found that it completed a supply-chain attack in 29.2% of runs, against 6.3% for GPT-5.6 Sol and 0% for GPT-5.5. AISI published the results on September 28 and says every action was simulated, so nothing in the world…

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• T2GPT-6 Astra completed a supply-chain attack in 29.2% of simulated runs, UK testers sayUploadVR / Road to VR / MIXED29 Sept, 22:49