Apply for compute time at a university cluster. It is free and usually easy.

They prominently need grants for phd students

If at all, this applies only to profs, which is a tiny subset of researchers and insanely hard to get into. Everyone else is paid shit and 80+% depend on grants. Source: am researcher

Is this an LLM?

Microsoft is doing this today. I can’t link it because I’m on mobile. It is in dotnet. It is not going well :)