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Prompt Caching Is the Most Underrated Cost Optimization in LLM Systems
Artificial Intelligence  Data Science  Latest  Machine Learning

Prompt Caching Is the Most Underrated Cost Optimization in LLM Systems

Satyam Sahu
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June 2, 2026

Author(s): Satyam Sahu Originally published on Towards AI. I cut my API spend by 70% without changing a single model call. Here’s the architectural decision that made it possible. You’re probably doing cost optimization wrong. Photo by cottonbro studio on Pexels | …

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