Checked fact 8328 Oct 2026Agents and apps
OpenAI says prompt caching is enabled by default for supported OpenAI models. Quote: "Prompt caching is enabled by default for supported OpenAI models."
The exact words it rests on
Prompt caching is enabled by default for supported OpenAI models.
What the source said when we opened it, on 8 Oct 2026.
The source
Prompt caching
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