I've been using the Cursor editor recently. Unfortunately it's based on VS Code, is closed source, and is tightly coupled with Microsoft/OpenAI. But the full AI integration blows everything else I've used out of the water. I feel significantly more productive with it than any other editor.
I think in the coming years as LLMs become more powerful, the productivity gap between using AI to code and not using it will only increase. It will become difficult to justify not using AI, despite the privacy concerns. I really hope that open source alternatives can keep up and provide viable alternatives to editors like Cursor.
I really would suggest not using Cursor, unless you're working purely on open source stuff you don't care about sharing. All of your code goes via Cursor's servers, even using your own LLM API key.
I think in the coming years as LLMs become more powerful, the productivity gap between using AI to code and not using it will only increase. It will become difficult to justify not using AI, despite the privacy concerns. I really hope that open source alternatives can keep up and provide viable alternatives to editors like Cursor.