Inpossible to use claude-4.5-sonnet

[rfroli]

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

We’re having trouble connecting to the model provider. This might be temporary - please try again in a moment.
(Request ID: 7e61b18b-6847-4280-8e45-5f8355ef693d)

This issue has persisted for at least a couple of hours with claude-4.5-sonnet.
claude-4-sonnet is OK

Steps to Reproduce

select claude-4.5-sonnet and click the right arrow

Expected Behavior

Answer the input

Screenshots / Screen Recordings

Operating System

Windows 10/11

Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.7.52 (user setup)
VSCode Version: 1.99.3
Commit: 9675251a06b1314d50ff34b0cbe5109b78f848c0
Date: 2025-10-17T01:41:03.967Z
Electron: 34.5.8
Chromium: 132.0.6834.210
Node.js: 20.19.1
V8: 13.2.152.41-electron.0
OS: Windows_NT x64 10.0.26200

For AI issues: which model did you use?

claude-4.5-sonnet

For AI issues: add Request ID with privacy disabled

Request ID: dd705a23-f0ec-4146-840f-fee6e381331b

Additional Information

This already happened last week, on october 16

Does this stop you from using Cursor

No - Cursor works, but with this issue

[deanrie]

Hey, thanks for the report. We had a few incidents today affecting models performance. It looks like everything is stable now. Could you please confirm that the issue is resolved on your side?

[rfroli]

The problem is still not fixed for me

[deanrie]

Does creating a new chat resolve the issue?

[rfroli]

Yes, creating a new chat resolves the issue.
Thanks a lot!