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ChatGPT: Memory Is a Cache, Custom Instructions Are Config (Where to Put Your Rules)

This story is from 2026-10-16. It is preserved in the archive; the latest stories are on the live feed.

If you write software, you already know the difference between a config file and a cache. A config file is something you wrote, you can read it, and it behaves the same way every time. A cache is something the system fills in for itself, it changes as things change, and you should never trust it as…

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  1. 2026-10-16 21:07 · DEV Community — AI
    ChatGPT: Memory Is a Cache, Custom Instructions Are Config (Where to Put Your Rules)

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