Best AI Tools for Students
AI tools can help students write better papers, research more efficiently, and organize their studies. Here are the best options, prioritizing free tiers and student-friendly pricing.
Quick answer
ChatGPT and Claude are the most versatile starting points, and both have generous free tiers. For writing quality, add Grammarly. For research with citations, use Perplexity.
Top picks
ChatGPT
OpenAI's flagship AI assistant for writing, analysis, coding, research, voice, images, and agent-style task execution across web and mobile.
- Strong balance of usability, reasoning, and multimodal features
- Mature product across web, desktop, and mobile
Claude
Anthropic's general AI assistant for writing, research, analysis, and coding, with a strong reputation for thoughtful long-form output.
- Excellent long-form writing and synthesis
- Strong product polish
Grammarly
DealThe most widely used AI writing assistant, offering real-time grammar, spelling, tone, and clarity suggestions across virtually any text field via browser extensions, desktop apps, and mobile keyboards. Its generative AI features now handle full rewrites and drafting.
- Works inline across Gmail, Google Docs, Slack, and hundreds of other apps
- Free tier is genuinely useful for catching basic errors
QuillBot
AI-powered paraphrasing and grammar checking tool that helps writers rephrase text, improve clarity, and avoid plagiarism.
- Multiple paraphrasing modes (fluency, formal, creative, etc.) for different needs
- Plagiarism checker helps ensure originality in academic work
Perplexity
An AI-powered answer engine that combines web search with language model synthesis, providing cited responses with direct source links. Positioned as a smarter alternative to traditional search engines for research-oriented queries.
- Every answer includes inline citations with clickable source links
- Real-time web search produces genuinely current information
Notion AI
Notion AI brings search, writing, summarization, and agent-style help directly into the Notion workspace. It is strongest for teams whose documents, notes, and internal knowledge already live in Notion.
- Excellent if your company knowledge already lives in Notion
- Useful combination of writing, search, and summarization
Quick comparison
| Tool | Pricing | Free plan | Score | Best for |
|---|---|---|---|---|
| ChatGPT | Free plan available. Plus: $20/month. Pro: $200/month. Team starts at $25/user/month billed annually. | Yes | 91 | General users who want one assistant for writing, analysis, and research, Teams that need a polished chat interface plus higher-tier business controls |
| Claude | Free plan available. Pro is $20/month monthly or $17/month billed annually. Team starts at $25/user/month billed annually. | Yes | 89 | Users who value clean writing and strong reasoning, Teams wanting projects, knowledge bases, and connectors |
| Grammarly | Free plan with basic grammar and spelling checks. Premium at $12/month (annual) or $30/month (monthly) adds tone, clarity, full-sentence rewrites, and plagiarism detection. Business at $15/user/month with style guides, brand tones, and admin controls. | Yes | 80 | professionals writing emails and business documents, students improving academic writing |
| QuillBot | Free plan with basic paraphrasing and limited features. Premium plan at $9.95/month with all modes and tools. | Yes | 73 | students paraphrasing research material for essays, non-native English speakers improving writing clarity |
| Perplexity | Free plan with standard search. Perplexity Pro at $20/month or $200/year with access to advanced models (GPT-4o, Claude), higher daily limits, and file uploads. | Yes | 85 | quick research with verifiable sources, staying current on news and recent developments |
| Notion AI | Notion AI features are available inside paid Notion plans; agent credits are listed separately at $10 per 1,000 credits after the free try. | Yes | 82 | Teams already standardized on Notion, Knowledge workers who want AI inside docs and wikis |
How to choose
Start with what you need most. For essay writing and brainstorming, ChatGPT or Claude are the strongest general-purpose assistants. For catching grammar mistakes and improving clarity, Grammarly or QuillBot are more focused. For research that cites actual papers, Perplexity is the best option. For organizing notes and coursework, Notion AI adds smart features to a powerful workspace.
Most of these tools offer free tiers that are more than sufficient for student use.
FAQ
Is it cheating to use AI tools for schoolwork? It depends on your institution's policies. Most schools allow AI for brainstorming, grammar checking, and research assistance but prohibit submitting AI-generated text as your own work. Always check your school's academic integrity policy.
What is the best free AI tool for students? ChatGPT and Claude both offer strong free tiers. Grammarly's free version catches basic grammar errors. Perplexity's free tier includes cited search results.
Can AI tools help with math and science? Yes. ChatGPT and Claude can explain concepts, solve problems step-by-step, and help with coding assignments. For research papers in science, Consensus and Semantic Scholar search actual academic databases.
Disclosure
Some links on this page may be affiliate links. We prioritize free and student-friendly options in our rankings.
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