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AI Media-Buying Agents: L1, L2, L3 Autonomy Explained (2026)

TL;DR: Autonomous media-buying agents that spend without human review are a lawsuit waiting to happen. Bounded autonomy in three tiers is the working pattern - L1 the agent recommends, L2 a human…

  • AI media-buying agents in 2026 are moving from full autonomy to a three-tier approach.
  • L1 tier focuses on recommendations, observing ad accounts for underperformance or new creative.
  • L3 tier allows bounded autopilot with kill switches and 85% human approval before autonomy.

Open AI and the million-dollar maths problem - video

In early September, OpenAI announced it had solved a major mathematics problem that has stumped humans for nearly a century. The news left mathematicians reeling, and many expressed concern over what will be left for humans as AI becomes ever more adept at unravelling complex problems.

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