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I Tested Four Ways to Give an AI Assistant a Memory. The Obvious One Was the Worst Value.

L3 · BuilderTutorials & GuidesTowards Data Science· 10/15/2026

Helps builders optimize cost and performance when implementing memory in AI assistants.

AI Summary

Testing shows pasting full chat history costs 20-31x more than lookup methods with no performance benefit for AI memory.

Excerpt

Pasting in the whole chat history cost 20 to 31 times more than looking up notes, and it did no better on the tasks. The post I Tested Four Ways to Give an AI Assistant a Memory. The Obvious One Was the Worst Value. appeared first on Towards Data Science.

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