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You Changed the Embedding Model and Kept the Old Vectors

This story is from 2026-09-29. It is preserved in the archive; the latest stories are on the live feed.

The search over your documents was built a year ago. Every page was turned into a vector, a long list of numbers that places its meaning somewhere in space, and stored in an index. A question is turned into numbers the same way, and the pages nearest to it come back as the answer. Then a better emb…

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  1. 2026-09-29 06:38 · DEV Community — AI
    You Changed the Embedding Model and Kept the Old Vectors

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