Cursor / Cursor

Cursor "Model does not work with your current plan or API key" error

Fix Cursor IDE showing persistent model-unavailable error after switching providers or updating API keys, particularly Claude models Includes evidence for Cursor troubleshooting demand.

Category
Cursor
Error signature
the model default does not work with your current plan or API key
Quick fix
Compare the failing environment with a known working setup, then change one configuration value at a time.
Updated

What this error means

the model default does not work with your current plan or API key is a Cursor failure pattern reported for developers trying to fix cursor ide showing persistent model-unavailable error after switching providers or updating api keys, particularly claude models. Based on the imported evidence, treat this as a tool-specific troubleshooting page rather than a generic API error.

Why this happens

Active forum discussion and multiple blog posts confirm this is a recurring Cursor bug. Users report ‘model default does not work with your current plan’ messages persisting even after re-entering valid API keys. Caused by Auto Mode caching stale model-plan mappings. High commercial value as Cursor Pro users ($20/mo) affected.

Common causes

Quick fixes

  1. Confirm the exact error signature matches the model default does not work with your current plan or API key.
  2. Check the Cursor account, local tool state, and provider configuration involved in the failing workflow.
  3. Compare the failing environment with a known working setup, then change one configuration value at a time.

Platform/tool-specific checks

Step-by-step troubleshooting

  1. Capture the exact error message and the command, editor action, or request that triggered it.
  2. Check whether the failure is account/auth, quota/rate, model/provider, local runtime, or deployment configuration.
  3. Review the source evidence below and compare it with your environment.
  4. Apply one change at a time and rerun the smallest failing action.
  5. Keep the working fix documented for the team or deployment environment.

How to prevent it

Sources checked

Evidence note: Active forum discussion and multiple blog posts confirm this is a recurring Cursor bug. Users report ‘model default does not work with your current plan’ messages persisting even after re-entering valid API keys. Caused by Auto Mode caching stale model-plan mappings. High commercial value as Cursor Pro users ($20/mo) affected.

FAQ

What should I check first?

Start with the exact the model default does not work with your current plan or API key text and the smallest action that reproduces it.

Can I ignore this error?

No. Treat it as a failed Cursor workflow until the root cause is understood.

Is this guaranteed to have one fix?

No. The imported evidence supports the troubleshooting path above, but tool behavior can vary by account, plan, version, provider, and local configuration.

How do I know the fix worked?

Rerun the same command, editor action, or request. The fix is working when that action completes without the model default does not work with your current plan or API key.