Unable to save Assistant after uploading a file to Code Interpreter

API Bugs
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1

Hello,

for the past few weeks we’ve been experiencing issues with the GPT agents defined in the “Assistants” section of OpenAI Playground.

Whenever I upload a file in Tools → Code Interpreter, the file appears as “Uploaded”, but the Assistant cannot be saved. The platform displays the error “Couldn’t save”, and after reloading the page the file is no longer listed (as shown in the image with the red “Couldn’t save” message at the bottom).

Assistant_file_upload_saving_error
Assistant_file_upload_saving_error488×567 15.5 KB

Additional details

  • The issue occurs with any file type and size (within documented limits).

  • The Assistant has no other tools or files enabled (e.g., no File Search / Knowledge files).

  • The issue persists across multiple browsers and devices.

  • Other colleagues experience the same behavior on assistants defined within the same Project.

  • No additional error messages are shown besides “Couldn’t save”.

  • The file upload seems to work, since the file is then present in the storage list, but the assistant never gets to be saved with the file attached.

    Thanks.

2 
I have the same problem, any solutions?
1 Like
3

Hi and welcome to the community!

I tried to reproduce the issue but my results were a bit different. Adding a file to a code interpreter tool works and saves correctly, but removing that same file triggers a “Couldn’t save” error. After that, attaching a new file and saving also fails.

Refreshing the page clears the problem as a workaround.

1 Like
4

Unfortunately I haven’t found a solution yet.

5

Hi, in our OpenAI platform project we still cannot attach files to code interpreter at all, even on new assistants created from scratch.