Anthropic’s Boris Cherny, creator of Claude Code, says there are days he manages tens of thousands of AI agents at once

Boris Cherny, the creator and head of Anthropic’s Claude Code, hasn’t handwritten a line of code in eight months. But that doesn’t mean he’s stopped building software—it just means he now manages a massive fleet of AI agents to do much of the work.

“This morning I was managing maybe a few hundred,” he said during the opening session of the 25th annual Fortune Brainstorm Tech conference in Aspen on Monday. “Some days it’s … thousands, or tens of thousands.” This is a big change from even just a year and a half ago, he explained, when developers were running one instance of Claude Code in one terminal window. 

“Fast-forward to today, it looks very different,” he said. “You have a Claude Code, but it has subagents that are other Claudes.” The user is no........

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