{
  "id": "2026-10-21-extended-prompt-caching-for-openai-models",
  "slug": "extended-prompt-caching-for-openai-models",
  "title": "Extended prompt caching for OpenAI models",
  "date": "2026-10-21T09:00:00.000Z",
  "categories": [
    "New",
    "AI Models"
  ],
  "url": "https://feedback.typingmind.com/changelog/extended-prompt-caching-for-openai-models",
  "contentHtml": "<p>Added extended prompt caching for supported OpenAI models. You can now choose 12-hour prompt caching in the API.</p><figure><img src=\"/changelog/media/2026/extended-prompt-caching-for-openai-models/4e6ae96ad6.webp\" alt=\"GPT-6.1 Sol parameters with prompt caching set to Extended instead of Standard\" width=\"2366\" height=\"1626\" loading=\"lazy\" decoding=\"async\"></figure><p>Extended caching costs more than the standard option. If a provider does not support it, TypingMind uses the standard duration.</p>"
}