Where does the bug appear (feature/product)?
Cursor IDE
Describe the Bug
The cost for sonnet 4.5 just exploded with no caching applied, charging at a price of ~$4/MToken per continuous request.
Steps to Reproduce
Use Sonnet 4.5 in agent mode
Screenshots / Screen Recordings
Operating System
MacOS
Current Cursor Version (Menu → About Cursor → Copy)
Version: 1.7.37
VSCode Version: 1.99.3
Commit: 1910e1fc4fa41b809793f6c5477108b775c0a120
Date: 2025-10-06T04:16:03.009Z
Electron: 34.5.8
Chromium: 132.0.6834.210
Node.js: 20.19.1
V8: 13.2.152.41-electron.0
OS: Darwin arm64 24.5.0
For AI issues: which model did you use?
Sonnet 4.5
Does this stop you from using Cursor
Yes - Cursor is unusable