Blog
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Latency Budgets for Retrieval
Where the milliseconds go in a RAG request, which stages you can cut when your target is under two seconds, and what each cut costs you.
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RAG Versus Fine-Tuning as an Architecture Decision
Not which is more accurate — which one leaves you able to fix a wrong answer on a Tuesday afternoon. An ownership-first comparison.
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What a RAG System Actually Costs to Run
The full line-item breakdown: embedding, storage, inference, reindexing — plus the two costs nobody budgets and one that dominates everything.
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RAG Versus Long Context: The Cost Arithmetic
Both architectures work. They have different cost curves, and the crossover depends on three variables you can estimate this afternoon.
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When Not to Use RAG
Four situations where retrieval is the wrong shape for the problem, what to build instead, and the threshold at which each answer flips.