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📚 Best free AI for studying

Limits checked against each vendor's own pricing page.

Best free pick

Gemini Notebook (formerly NotebookLM)

Standard limits for chat and generation of Slides, Audio Overviews and other artifacts

Upgrade when: AI Plus doubles limits (100 sources/notebook); AI Pro gives 4x limits (300 sources/notebook). Upgrade when you hit the 50-source cap.

Checked 2026-10-16

All free options

Tool	What's free	When to upgrade	Deals
ChatGPT checked 2026-10-16	Unlimited text chats with GPT-6 (subject to abuse guardrails) Limited messages with uploads Limited image creation	Upgrade to Go or Plus when you keep hitting upload, image or deep-research limits. US college students: check the free 4-month Plus offer first.	1 live
Gemini checked 2026-10-16	$0/month with a Google Account Access to the Flash-Lite model Image generation and editing	Google AI Plus is $4.99/month (2x Free usage); Google AI Pro is $19.99/month (4x Free usage). US college students can get AI Pro free for a year.	1 live
Gemini Notebook (formerly NotebookLM) checked 2026-10-16	Standard limits for chat and generation of Slides, Audio Overviews and other artifacts Access to Google's Gemini models Up to 50 sources per notebook	AI Plus doubles limits (100 sources/notebook); AI Pro gives 4x limits (300 sources/notebook). Upgrade when you hit the 50-source cap.	—
Grammarly checked 2026-10-16	$0 Free plan Pro has a free trial with an email reminder 2 days before it ends	Pro is $12/month.	1 live
Notion checked 2026-10-16	$0 for individuals Trial of Notion AI (generate docs, autofill databases) Basic forms and sites	Students: Notion for Education is free. Upgrade for full Notion AI.	1 live