O3 / sonnet-4 / GPT 4.1

Describe the Bug

I am well withing context windows but reach a point where models are now completly unable to present any text / code blocks to be applied - there is a faillure point in the mechanism where code is written into the apply buffer …

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thats all i get a small paragraph instead of 300 400 lines of text to apply to the document referenced. This just started happening today

Steps to Reproduce

not sure how to reproduce its appearing in the course of normal usage reviewing and editing files - i am not doing anything differernt - and yes a new chat solvesthis but I am not seeing the normal indicator that tells me its time for a new chat

Expected Behavior

code generated to be applied to a file

Operating System

Windows 10/11

Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.1.3 (user setup)
VSCode Version: 1.96.2
Commit: 979ba33804ac150108481c14e0b5cb970bda3260
Date: 2025-06-15T06:55:04.603Z
Electron: 34.5.1
Chromium: 132.0.6834.210
Node.js: 20.19.0
V8: 13.2.152.41-electron.0
OS: Windows_NT x64 10.0.26100