I think it'll be hard to find a LLM that actually respects your privacy regardless whether or not you pay. Even with the "privacy" enterprise Co-Pilot from Microsoft with all their promises of respecting your data, it's still not deemed safe enough by leglislation to be used in part of the European energy sector. The way we view LLM's on any subscription is similar to how I imagine companies in the USA views Deepseek. Don't put anything into them you can't afford to share with the world. Of course with the agents, you've probably given them access to everything on your disk.

Though to be fair, it's kind of silly how much effort we go through to protect our mostly open source software from AI agents, while at the same time, half our OT has build in hardware backdoors.