Writing

Notes from the build

What I've learned shipping software for other people's companies: architecture, AI systems, and the things that go wrong.

Retrieving more documents can make hallucination worse

Latest · AI · AUG 2026

Retrieving more documents can make hallucination worse

A RAG system can contradict a document it retrieved correctly. Tuning the retriever is the reflex, and two mechanisms say that makes it worse.

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