July 29, 2026
Architecture Beats Prompts: Why Smart Caching Is the Most Underrated AI Cost Optimisation
Everyone is talking about which AI model to use. Very few are talking about how to design systems that minimise how often you need to call one. The biggest performance and cost improvements in AI-powered products often come not from better prompts or newer models — but from knowing when you do not need to call AI at all.
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