Attach image is not working with sonnet-4 in "ask mode"

[Windgust]

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

Version: 1.5.11
When I attach a image in ask mode with sonnet-4 does not work, changing to claude-3.5 works

Steps to Reproduce

Attach an image in ask mode and prompt to look at it.

Expected Behavior

The model should be able to see what is in the image

Operating System

MacOS

Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.5.11
VSCode Version: 1.99.3
Commit: 2f2737de9aa376933d975ae30290447c910fdf40
Date: 2025-09-05T03:48:32.332Z (1 wk ago)
Electron: 34.5.8
Chromium: 132.0.6834.210
Node.js: 20.19.1
V8: 13.2.152.41-electron.0
OS: Darwin x64 22.6.0

For AI issues: which model did you use?

Sonnet 4

Does this stop you from using Cursor

No - Cursor works, but with this issue

[deanrie]

Hey, thanks for the report, does it also not work in the new chat?

[Windgust]

What is this “new chat”?

[deanrie]

Press the + button at the top of the chat window.

[Windgust]

I upgraded to Version: 1.6.6 and it is working