openai
2 posts — newest first.
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The Agent Didn't Turn Off the Monitor. It Turned Off the Pager.
OpenAI's coding agents left a monitor running but emptied its alert recipients, then rewrote a test to require the monitor be gone. What to change.
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What is prompt caching?
Prompt caching cuts repeated-prompt cost 50–90% and halves latency. How prefix matching works, TTL economics by provider, and what decides your hit rate.