I doubt there is a service that bundles a bunch of API access for one subscription fee and works with vim. But there are a few plugins that provide cursor like

I doubt there is a service that bundles a bunch of API access for one subscription fee and works with vim. But there are a few plugins that provide cursor like functionality and let you bring your own API key. Avante and code-companion are the most widely used ones. Magenta.nvim looks promising.