All AI models are completely unusable

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Glad it’s working again. From the logs, the backend was actually generating responses - the issue was on the client side failing to render them. This is a known bug and the team is tracking it.

For others hitting the same issue @Alexis_Tolleson @Pritom_Sinha - steps that help some users:

  1. Disable HTTP/2: add "cursor.general.disableHttp2": true to your settings.json and restart Cursor
  2. Resync Index: Cursor Settings > Indexing > Resync Index
  3. Test in an empty folder

If none of that works, the issue can be transient and resolve on its own, like it did for @houshanren. Mega-thread for tracking: Taking longer than expected

Let me know if it comes back.