concurrent.cd

“Every agent would hit the same bug, fix that bug, and then overwrite each other's changes. Having 16 agents running didn't help because each was stuck solving the same task.”

— Nicholas Carlini, Anthropic

Quote · anthropic.com

Read the source on anthropic.com

From “Building a C compiler with parallel Claudes”, found 2026-10-14.

Take

In Anthropic's 16-agent compiler build, more agents bought nothing without separate tasks. They all found the same bug, all fixed it, and each overwrote the others' fixes.

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