Add more affordable subscription options

[verybigorange]

$20 per month is expensive for countries with lower incomes.

[Microbion]

I'm worried about whether cursor will terminate my count unexpectedly some day, like chatgpt

[danperks]

For now, I'd suggest using your own OpenAPI key, as this will likely be cheaper if your usage isn't intense.

[danperks]

Also discussed in #463, but with more detailed discussion there.

[jakobFNF]

Thank you for your feedback. We'll take localized pricing into consideration. We are closing this issue for now due to inactivity.

[truell20]

Would love to be able to support this in the future. For the time being, our LLM inference costs are too high to support lower prices.

[MoAbbasid]

I also second this, as someone in Africa the 20$ is alot