Getting a quick, evidence-based read on what the research says about a claim
Best free AI tools for students
Every tool on this page has a genuinely free plan — not a trial that expires. We say what the free tier actually includes, and where it runs out.
Cost
Category
Pricing
Automating literature reviews by extracting answers from many papers at once
AI pair programmer built into your editor that autocompletes code, explains unfamiliar codebases, and can run autonomous "agent mode" tasks across multiple files.
A Google research assistant that answers questions using only the sources you upload.
An AI search engine that answers questions and cites the sources it used.
Reading dense academic PDFs with an AI chat assistant alongside the text
Checking whether other papers actually support or contradict a source before citing it
Finding and understanding academic papers quickly
A computational engine that solves maths problems and shows worked steps.