GPT cannot effectively use archive and edit functions

Hello everyone~
I gave my GPT a command to write 503 program code json
No matter how I write

  1. Paste into the dialog box
  2. Write to the canvas
  3. Upload files
    He was unable to read all 503 lines
    Opening the canvas, I directly entered the 503 code. Please use GPT to modify the syntax
    But he can only modify up to 47 lines~then the segmented modification will also completely overwrite
    Is this normal?
    Has anyone encountered the same problem?
    How to solve it? Do I face any limitations?

There’s a context limit on ChatGPT. If you need to analyze large context windows you’ll need to use the API.

What is the definition of a large file? Is 503 lines of code considered large? Even if it is contained in a txt file?

It wasn’t. It is now. The limits are tightening.

Do you feel that too? The range of his actual reading is really limited.
He will read the whole thing only if he turns on the research mode.

Well, it’s one of the reasons I ran away from OpenAI.