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Cost Optimization

118 summarised stories about Cost Optimization, each linking back to the original source. Browse all topics →

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Tuesday, 7 July 2026

Not everything should cost a token: the case for deterministic AI

Vybe 3 months ago 15 ● 3 sources

The article argues that teams waste tokens by routing deterministic, repetitive tasks through language models instead of using scheduled code. A specific example shows an agent reformatting JSON daily at significant cost when a simple script would work identically and free. The distinction matters because as token costs accumulate, organizations will shift mechanical work back to traditional applications and reserve AI reasoning for genuinely ambiguous decisions.

How we taught a small LLM to throw away 68% of our RAG context

kapa.ai 3 months ago 42

Kapa developed a small language model that filters retrieved documentation chunks before sending them to a larger, more expensive generator model. The pruner removes 68% of context while retaining 96% of recall, reducing query costs by 34% after accounting for its own cost. This enables RAG systems to handle larger knowledge bases more efficiently by identifying which retrieved chunks actually contribute to answering questions.

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