Field Notes

The ModelAPI Blog

Practical, no-hype guides on bring-your-own-key AI infrastructure, prompt caching, and getting more out of your existing model spend. Written for builders, not for our sales funnel.

Concepts

What Is BYOK (Bring Your Own Key) for AI Infrastructure?

BYOK lets you keep your own provider API keys while using a single orchestration endpoint. Here is what it means, why teams choose it, and how ModelAPI implements it — without reselling tokens.

2026-07-158 min read
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Cost Optimization

How Prompt Caching Cuts Your AI API Spend (Without Changing Your Code)

Prompt caching is the single biggest lever for lowering AI costs. Learn how Harness reuses context across requests so your own key is billed only for what is new — up to 5× savings.

2026-07-177 min read
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