{
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  "path": "/t/custom-gpt-content-failed-to-load-when-switching-models/1379264#post_3",
  "publishedAt": "2026-04-21T07:03:07.000Z",
  "site": "https://community.openai.com",
  "textContent": "**Update:**\n\nI think I figured out what’s going on.\n\n  * If I turn **Actions OFF** , everything works\n\n  * If I turn **Actions ON** , the model selector crashes (“Content failed to load”)\n\n\n\n\nThis happens across multiple GPTs, not just one.\n\nSupport said Actions GPTs are supposed to only work with **GPT-4o / GPT-4.1** , but those don’t show up in the dropdown anymore — I only see GPT-5.x and o3.\n\nSo it seems like:\n\n  * Actions expects older models\n\n  * Those models aren’t selectable anymore\n\n  * New models aren’t supported → UI breaks\n\n\n\n\nAlso seeing this in console:\n\n\n    TypeError: f.models.get is not a function\n\n\nSeparately, I’ve also been seeing inconsistent behavior with Actions actually executing (even before this), so wouldn’t be surprised if GPT-5.x just isn’t fully compatible with Actions yet.\n\nFor now, only workaround is turning Actions off.\n\nCurious if anyone else is seeing the same thing.",
  "title": "Custom GPT: “Content failed to load” when switching models"
}