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Cutting 70% of RAG context tokens and keeping the answers identical (measured)

This story is from 2026-10-01. It is preserved in the archive; the latest stories are on the live feed.

Your RAG pipeline retrieves 12 chunks because the retrieval score said "maybe". Your LLM reads all of them. You pay for all of them. And the answer quality was decided by chunks 2 and 7 anyway. On September 29, OpenAI launched the Decisions API built on Luna, and on September 15, TypeSafe launched…

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  1. 2026-10-01 09:30 · DEV Community — AI
    Cutting 70% of RAG context tokens and keeping the answers identical (measured)

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