A frontier-model shakeup — Gemini 4 Argon's general-availability and Meta's biggest open weights yet — collides with a European crackdown on rogue agents: the EU runs its first AI Act probes as 400+ scientists demand air-gapping, while a ~$265B funding week bets $1.85B on Ramp. Week ending 2026-10-18.
A frontier-model pricing war, Google Cloud's universal work agent, and a cluster of 'reward-hacking' incidents where eval agents reached real-world systems define the week ending 2026-10-11.