Connecting to Sonnet 4.5 through Azure OpenAI on Cursor not working?

[Rahel_Gunaratne]

I’ve plugged in the base url, deployment name and API key but it’s not working after deploying it through microsoft foundry.

[Colin]

Hey @Rahel_Gunaratne!

Known issue, unfortunately.

Azure Claude 4.5 Sonnet Error

Where does the bug appear (feature/product)? Cursor IDE Describe the Bug When i’m trying to connect my Claude 4.5 sonnet deployment from azure in the Azure models i got an error Steps to Reproduce Deploy a Claude 4.5 sonnet model in Azure AI Foundry Connect the model in Cursor Settings IDE Test model Expected Behavior Connect the model and use it in the Agents sections like any other model Operating System MacOS Current Cursor Version (Menu → About Cursor → Copy) Version: 2.0.77 VSCode Ve…

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