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📰 Dev.to · Jon

Articles from Dev.to · Jon · 2 articles · Updated every 3 hours · View all reads

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I Spent $400/Month on a Reranker That Made My RAG Worse
Dev.to · Jon 2mo ago
I Spent $400/Month on a Reranker That Made My RAG Worse
A cautionary tale about adding rerankers to fix bad retrieval - and the $400/month lesson I learned
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The 10-Line Semantic Firewall That Stopped 60% of Our RAG Hallucinations
Dev.to · Jon 2mo ago
The 10-Line Semantic Firewall That Stopped 60% of Our RAG Hallucinations
A simple filtering technique that catches what cosine similarity misses—before your LLM hallucinates.
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