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Why graphs beat vectors for agent memory

This story is from 2026-10-28. It is preserved in the archive; the latest stories are on the live feed.

A code graph stores the calls and imports in a codebase, and the assistant still has them next session. A vector database stores text that resembles the question, then searches again. The code graph vs vector database difference is what the assistant remembers. How does a code graph differ from a v…

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  1. 2026-10-28 12:26 · DEV Community — AI
    Why graphs beat vectors for agent memory

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