Free AI tools / Best free AI study tools
Best free AI study tools
9 tools for studying and research that you can use without paying. Fully free tools come first, then free tiers, with the exact limits each vendor states.
| Tool | Free plan | Free-plan limits | Paid entry plan | Checked | |
|---|---|---|---|---|---|
| DeepSeek Free reasoning and math chat | Free | Web chat and apps free, no paid chat plan; no published message cap (may throttle at peak). API is paid | See vendor pricing | source 2026-10-22 | Try DeepSeek → |
| NotebookLM Studying your own documents, audio overviews | Free tier | 100 notebooks, 50 sources each; compute-based usage limit refreshing every 5 hours (fixed 50 chats/day replaced Sept 2026) | Included with Google AI Pro $19.99/mo ✓ checked | source 2026-10-22 | Try NotebookLM → |
| Perplexity Cited web answers and quick research | Free tier | Practically unlimited basic searches; 3 Pro Searches/day; 1 Research query/month | Pro $17/mo billed yearly ✓ checked | source 2026-10-22 | Try Perplexity → |
| Elicit Academic literature review | Free tier | Unlimited search across 138M+ papers, unlimited summaries and chat with papers; limited Research Agent and reports | Plus $12/mo billed yearly ✓ checked | source 2026-10-22 | Try Elicit → |
| Consensus Evidence from peer-reviewed studies | Free tier | Unlimited paper searches; 10 Pro messages, 3 Deep reviews and 10 Study Snapshots per month | Pro $20/mo ($12/mo billed yearly) ✓ verified | source 2026-10-22 | Try Consensus → |
| ChatGPT General-purpose chat, quick answers, images, custom GPTs | Free tier | Unlimited everyday text chats (abuse limits apply); limited image creation, voice and deep research; 3 file uploads/day | Plus $20/mo ✓ checked | source 2026-10-22 | Try ChatGPT → |
| Gemini Google Workspace users, research, generous free tier | Free tier | Flash-Lite model only, 32K-token context; compute-based limit that refreshes every 5 hours up to a weekly cap | Google AI Pro $19.99/mo ✓ checked | source 2026-10-22 | Try Gemini → |
| QuillBot Paraphrasing and summarizing | Free tier | Paraphrase up to 125 words in 2 modes; basic grammar fixes; limited AI detector | Premium $19.95/mo ($8.33/mo billed yearly) ✓ checked | source 2026-10-22 | Try QuillBot → |
| Speechify Listening to text read aloud | Free tier | 10 robotic-sounding voices, up to 1.5x speed, text to speech only | Premium $29/mo ✓ verified | source 2026-10-22 | Try Speechify → |
Tell us your project and we will pick the three best free tools for it.
Find free tools for my project“Free” means no paid plan exists for that product; “Free tier” means a free plan with the limits shown, as stated on the vendor page or help center on the check date. Free trials, one-time signup credits and plans that block downloads are not counted as free. Tools whose free plan we could not verify are left out. Limits change often; confirm on the vendor page. Some links are affiliate links (disclosure); they never change what we list.