The best free AI tools for students (and how to use them honestly)

Start with your school's rules

Before using any AI tool for coursework, read your school's or teacher's policy. Many institutions allow AI for brainstorming and studying but not for writing graded work. When in doubt, ask, and say when you have used AI.

General AI assistants

ChatGPT, Claude and Gemini all have free tiers. Use them as a tutor: ask them to explain a concept in simpler words, quiz you on a topic, or check your reasoning step by step. Ask "explain why" rather than "give me the answer" — you learn more and avoid copying.

Remember that assistants can be confidently wrong. Check facts against your textbook or lecture notes.

Research with citations

Perplexity gives answers with links to its sources, which makes it a useful starting point for research. Always open the sources and read them yourself — cite the original source, never the AI tool's summary. Google Scholar remains the best free way to find academic papers.

Writing and proofreading

Free tiers of tools such as Grammarly can flag spelling, grammar and clarity issues. Use them to polish your own writing, not to produce it.

Study with your own notes

Google's NotebookLM lets you upload your own notes and readings and ask questions about them, which keeps answers grounded in your course material.

A simple study prompt

"I'm studying [topic] for [course level]. Ask me 5 questions one at a time, wait for my answer, then tell me what I got right and what to review."