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OpenAI adds optional 12-hour prompt caching in the API
- Who
- OpenAI
- What
- adds 12-hour prompt caching in the API
What happened
You can now choose 12-hour prompt caching in the API. Persistent agents, like dots, reuse context throughout the day. You can keep shared instructions, tools, and context cached longer and pay the lower cached-input rate, even when requests are hours apart.
The story so far
OpenAI added an optional 12-hour prompt caching setting to its API, allowing developers to retain shared instructions, tools, and context for reuse across requests hours apart. OpenAI said requests that reuse the cached input can receive the lower cached-input rate. The company presented the longer caching window as useful for persistent agents that reuse context throughout the day.
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