Agent framework roundup: CrewAI runs in production at Fortune 500 firms

mdancho84 · x · 2026-10-20

A slice of Dan Cho's thread on agent frameworks: CrewAI offers multi-agent teams built around roles and tasks, and is reportedly used in production by Fortune 500 enterprises; LlamaIndex is called the go-to framework for RAG and document agents, the stack most "retrieval pipeline" job posts point to.

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