Performance Degradation

[neurofuzzy]

Describe the Bug

For the past 3 hours, both Claude Sonnet 4 and GPT-5 have been extremely latent and getting stuck in the middle of agentic tasks. Moreover, Claude has gotten extremely stupid all of a sudden, going in circles and making the same mistakes.

Steps to Reproduce

Hard to say… try a reasonably complex task with Claude

Expected Behavior

Claude is smart and fairly quick

Operating System

MacOS

Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.4.5 (Universal)
VSCode Version: 1.99.3
Commit: af58d92614edb1f72bdd756615d131bf8dfa5290

[hareesh-r]

Facing the same issue!!

[jack07]

Yeah same issue. Tool call gets timeout then edited pages keeps editing and gets stuck then tell the agent stopped.

[condor]

Hi everyone, could you please provide more information?

We have many users using those models without issues so there might be other factors to consider.

Please post a Request ID with privacy disabled so we can look into the details? Cursor – Getting a Request ID