Platforms
Prompt Caching Explained: Cutting Inference Costs Without Cutting Quality
How prompt caching actually works at the API level, when it saves real money, and the setup mistakes that silently disable it.
#prompt caching
4 articles4 articles on Model Drop tagged "prompt caching."
4 articles
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ToolsRAG vs Long Context: Why Retrieval Keeps Surviving
Context bills every call. An index bills once. That arithmetic has outlived every context window expansion so far.
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PlatformsLLM API Pricing in 2026: The Three-Tier Ladder Every Lab Runs
Frontier to budget spans three orders of magnitude. Picking the right rung matters more than picking the right vendor.
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ModelsMillion-Token Context Windows: A Ceiling, Not a Budget
Uneven attention, rate limits below the advertised window, and linear cost on every call. Useful — and frequently misapplied.