Which coding tool should I buy? Claudepro / cursor or which one for 20$ [D]

Hey all, i am an aspiring Al and ML engineer. In 4th year amid my placement season and the recent ML hackthon i have decided i am way behind the crowd and competition if I dont get one of this subscription. Many of them told me claude pro is worth it and stuff.

For all the stuff I am doing till now I use claude free and I keep prompting in a fear of reaching limit nevertheless its code and debugging works well for me. So should I go for its pro?

My main job is for ML research, coding and building good projects..

These days I see this grok bots add too. And ppl say cursor gives access to more models, now for 20$ which is the smartest one and which i can work uninterrupted ly is what I want...tell me guys which do you use and which one u are gonna suggest me!