- Anthropic doesn't use the inputs for training.
- Cursor doesn't have $900M ARR. That was the raise. Their ARR is ~$500m [1].
- Claude Code already support the niceties, including "add selection to chat", accessing IDE's realtime warnings and errors (built-in tool 'ideDiagnostics'), and using IDE's native diff viewer for reviewing the edits.
[1] https://techcrunch.com/2025/06/05/cursors-anysphere-nabs-9-9...