2026-W37 · +1.6
Week of 31 August–6 September 2026. OpenAI says its new model Astra is the first to reach the 'Critical' cybersecurity capability level of its Preparedness Framework, and Epoch AI reports that the largest AI data centres' power has been doubling every ten months. Capabilities and acceleration rise; governance improves marginally because safeguards are announced.
A conventional composite index, not a scientific probability of extinction.