Upload lecture notes, readings or PDFs and NotebookLM answers questions grounded in those sources with citations, and can generate study guides and audio overviews. It's free.
Keep in mind: Answers are only as good as the sources you add.
Guide · Updated
The best AI tools for students
The most useful AI tools for students help you understand material, find credible sources, and improve your own writing, not write it for you. Always follow your school's AI policy.
Quick picks
| Tool | Best for | Pricing | Link |
|---|---|---|---|
| NotebookLM | Studying your own course material | Free | Visit |
| Perplexity | Quick research with cited sources | Freemium | Visit |
| Consensus | Finding what scientific studies say | Freemium | Visit |
| Semantic Scholar | Free academic search | Free | Visit |
| Grammarly | Polishing your own writing | Freemium | Visit |
| QuillBot | Paraphrasing and summarizing | Freemium | Visit |
How we pick: tools are chosen for fit to the task, based on each tool's official documentation and features — not on payment. Pricing labels are a guide; check official sites for current plans.
The picks, in detail
Perplexity answers questions with links to its sources, so you can check claims and find material to read further.
Keep in mind: Always open and verify the cited sources before using them in work.
Consensus searches peer-reviewed research and summarizes findings, useful for essays and literature reviews.
Keep in mind: Summaries are a starting point; read the papers you cite.
Semantic Scholar is a free, AI-powered search engine for scientific literature with paper summaries and citation graphs.
Keep in mind: Coverage is strongest in sciences and computing.
Grammarly checks grammar, clarity and tone in your browser and documents, helping you improve what you wrote.
Keep in mind: Advanced suggestions are in paid plans.
QuillBot paraphrases, summarizes and checks grammar, handy for understanding dense text.
Keep in mind: Paraphrasing someone else's work without citation is still plagiarism.
How to choose
- Check your course or school AI policy first.
- Prefer tools that cite sources you can verify.
- Use AI to explain and quiz you, not to replace your own work.
- Free tiers cover most student needs.
FAQ
What is the best free AI tool for students?
NotebookLM and Semantic Scholar are free, and Perplexity, Consensus, Grammarly and QuillBot all have free tiers that cover typical student use.
Is using AI for homework cheating?
It depends on your school's policy and how you use it. Using AI to explain concepts or check grammar is often allowed; submitting AI-written work as your own usually is not.
Which AI is best for research papers?
Consensus, Elicit and Semantic Scholar focus on academic literature; Perplexity is good for quick cited overviews.
