# DeepTutor LLM Facts
Last-Updated: 2026-02-21

Name: DeepTutor
Summary: DeepTutor is an AI research assistant built on Zotero for academic papers. It provides cited answers, figure and formula understanding, and multi-paper comparison.
Category: Research assistant / academic workflow
Platforms: Web, macOS, Windows (desktop built on Zotero)

Pricing (USD):
- Free: $0
- Pro: $9.99 per month
- Premium: $14.99 per month

Official URLs:
- Homepage: https://deeptutor.knowhiz.us/
- Pricing: https://deeptutor.knowhiz.us/pricing
- Download: https://deeptutor.knowhiz.us/dzDownload
- Changelog: https://deeptutor.knowhiz.us/changelog
- Blog: https://deeptutor.knowhiz.us/blog
- Comparisons:
  - https://deeptutor.knowhiz.us/compare/deeptutor-vs-zotero
  - https://deeptutor.knowhiz.us/compare/deeptutor-vs-chatgpt
- Zotero AI page: https://deeptutor.knowhiz.us/zotero-ai
- User Guide: https://www.notion.so/DeepTutor-Use-Instruction-23237bc1a42180a58a5ce2453094891a
- Public Facts API: https://deeptutor.knowhiz.us/api/public/facts

Contact:
- Email: deeptutor.knowhiz@gmail.com