AI Gateway Caching Explained — Why L1 + L2 Cache Layers Cut 90% of Your LLM Bill
TL;DR Caching in AI gateways is not one feature. It's two: L1 — Result cache skips the upstream model entirely. 100% savings per hit. L2 — Prompt cach…
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Time based revalidation in Next
In time based revalidation, an expiry date is added to cache entries. However, when a cache entry expires (becomes stale) it does not update automatic…
Data cache in NextJs
Until now, we've only worked with "hard coded" components, no external APIs. Why? Because of Next data cache . Data cache allows the result of externa…