If your GPT is used internally and does not need Actions, a project workspace can be enough.
- Build your portable bundle.
- Create a new project and paste the instructions into the project's custom instructions.
- Upload your knowledge files.
- Run your 10 test questions and adjust the instructions.
Features tied to Actions will need another approach. See alternatives.
Keep reading
What replaces Custom GPTs?OpenAI points to plugins; other options include project workspaces and third-party builders.How to Export Your Custom GPT InstructionsCopy your GPT instructions, conversation starters and settings so you have a clean backup.How to Back Up Custom GPT Knowledge FilesKeep originals of every knowledge file and decide how they will be loaded after migration.