EVERY SIGNAL, SORTED.

Canada, Coding Agents, Multi-Agent Systems, Software Engineering, Cost Control and Human Oversight

Cohere scaled coding-agent teams. The lead became the bottleneck

Cohere Labs tested who should plan, implement and verify when coding agents work in teams. More workers often helped, but they also multiplied cost and pushed coordination back onto one lead. The useful artifact is not a bigger swarm. It is a ledger showing what each worker discovered and what the lead actually checked.