OpenAI DevDay notes: 4 key levers to cut costs and boost agent performance
omarsar0 · x · 2026-10-03
omarsar0 shared notes from OpenAI DevDay, part one covering cost and performance optimization for agentic applications. He highlights four key levers: prompt caching, reasoning effort, programmatic tool calling, and batch requests. He recommends getting familiar with these and measuring their impact with evals; OpenAI's dev docs provide further details.
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