Studying and explanations
ChatGPT is strong for practice questions, simple explanations and quick tutoring. Claude is strong when you want a more careful explanation of long material or feedback on your own draft.
Essays and research
Use AI for outlines, critique and understanding. Do not let it invent citations or write undisclosed work you are expected to produce yourself.
School policy
Follow your school or university AI rules. If AI use must be disclosed, disclose it. If it is not allowed for a task, do not use it for that task.
Practical recommendation
Use the same prompt in both tools. Judge the result by factual stability, tone, source discipline, structure, actionability, privacy fit and how much human editing remains. A model that wins one task can lose the next.