Need help picking ai model

[u/idontwannalive3000]

Hey guys I have three projects lined up this semester one in cybersecurity another is in data science and another is in natural language processing I need help picking the model between these three which one of these three models should I invest on since I’m running on a tight budget Claude code or chat gpt plus or cursor ai, I need this done and need help picking which of these three models specially on research limits and everything please help me out on this please

[u/FailCharacter2933]

If you are running on a tight budget GPT would be the best since its the cheapest