Ethan Mollick: Multi-agent CoTs now run thousands of pages, forcing trust in the orchestrator

emollick · x · 2026-10-15

Wharton professor Ethan Mollick argues that with fleets of agents calling other agents, chain-of-thought logs for even simple tasks now run to thousands of pages, making human inspection of reasoning obsolete.

The orchestrator model therefore matters more than ever — it's the only component tracking all tasks. This creates a new loop: you must use AI to find problems with AI, and use AI to troubleshoot the problems you find.

Related event: Chain-of-Thought Loses Value in the Age of AI Agents(4 posts)→

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