Anthrophic models inside cursor IDE

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

anthophic models on cursor are not working for me. after 1 or 2 messeges they keep gettign errored and wont continue… I have 200 usd max plan this seems very weird as openai models work just fine whats wrong

Request ID: e50f6a33-9fb5-47d7-9bd1-3463fb139150
{“error”:“ERROR_OPENAI”,“details”:{“title”:“Unable to reach the model provider”,“detail”:“We’re having trouble connecting to the model provider. This might be temporary - please try again in a moment.”,“additionalInfo”:{},“buttons”:,“planChoices”:},“isExpected”:false}
ConnectError: [unavailable] Error
at xyl.$endAiConnectTransportReportError (vscode-file://vscode-app/c:/Users/savas/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:4910:338991)
at Qvr._doInvokeHandler (vscode-file://vscode-app/c:/Users/savas/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:487:36019)
at Qvr._invokeHandler (vscode-file://vscode-app/c:/Users/savas/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:487:35761)
at Qvr._receiveRequest (vscode-file://vscode-app/c:/Users/savas/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:487:34526)
at Qvr._receiveOneMessage (vscode-file://vscode-app/c:/Users/savas/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:487:33348)
at BCt.value (vscode-file://vscode-app/c:/Users/savas/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:487:31442)
at ye._deliver (vscode-file://vscode-app/c:/Users/savas/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:49:2962)
at ye.fire (vscode-file://vscode-app/c:/Users/savas/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:49:3283)
at Wot.fire (vscode-file://vscode-app/c:/Users/savas/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:4895:12154)
at MessagePort. (vscode-file://vscode-app/c:/Users/savas/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:7028:18292)

Steps to Reproduce

just ask it questions after 2nd messge itwill keep getting errored

Operating System

Windows 10/11

Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.6.14 (user setup)
VSCode Version: 1.99.3
Commit: 64b72c9cd7e38203078327f881d5fe74930b2600
Date: 2025-09-11T21:41:40.820Z
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 10.0.26100

For AI issues: which model did you use?

SONNET 4 MAX MODE THINKING REGULAR AND 1 MILLION ONE

hi @savas_tutumlu and thank you for reporting the issue in detail.

In many cases such error occurs when we are not able to connect to their AI models.

Do you have any MCPs active or are you using Anthropic API Key?

I have forwarded it to the team for checking.