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DeepTutor vs SurfSense

DeepTutor and SurfSense share 18 technologies: FastAPI, Electron, React, MCP, markdown-it-py, defusedxml, openpyxl, pypdf, python-docx, python-pptx, Pydantic, psutil, Tailwind CSS, tailwind-merge, katex, docx-preview, exceljs, and pdfjs-dist. Both are written in Python.

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What they share and what sets them apart

HKUDS

DeepTutor

DeepTutor: Lifelong Personalized Tutoring. https://deeptutor.info/.

Python55.3kRead on November 5, 2026, at commit f7aed07What is DeepTutor built with?

Only in DeepTutor

In common

MODSetter

SurfSense

Air-gapped, privacy-focused, open-source NotebookLM alternative. AI agent that researches, transforms, and edits your documents. Join our Discord: https://discord.gg/ejRNvftDp9

Python16.8kRead on November 7, 2026, at commit b764f28What is SurfSense built with?

Only in SurfSense

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
DeepTutor851,912 lines written2,212 code files
SurfSense431,083 lines written2,150 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
DeepTutor28.8% of its commits signed by AIWith Codex, Claude Code, Cursor, GitHub Copilot, and CodeRabbit
SurfSense6.6% of its commits signed by AIWith Claude Code, Cursor, and Jules
ActivityFrom GitHub and its history, on the day SeeRepo read it.
DeepTutorLast push November 5, 20262,527 commits55,299 stars
SurfSenseLast push November 7, 20269,846 commits16,797 stars
TestsThe files that test the code, and the share of code files a test imports.
DeepTutor1,464 test files23.2% of its code files have a test that imports them
SurfSense1,179 test files44.7% of its code files have a test that imports them

Frequently asked questions

Which is bigger, DeepTutor or SurfSense?
DeepTutor, with 851,912 lines written; SurfSense has 431,083.

The proof: HKUDS/DeepTutor's code at commit f7aed07

Which has more GitHub stars, DeepTutor or SurfSense?
DeepTutor, with 55,299 stars; SurfSense has 16,797.

The proof: HKUDS/DeepTutor on GitHub

Which has more tests, DeepTutor or SurfSense?
DeepTutor, with 1,464 test files; SurfSense has 1,179.

The proof: HKUDS/DeepTutor's code at commit f7aed07

Which was updated more recently, DeepTutor or SurfSense?
SurfSense: its last push was on November 7, 2026, and DeepTutor's on November 5, 2026.

The proof: MODSetter/SurfSense's commits on GitHub

Which has more commits signed by AI, DeepTutor or SurfSense?
DeepTutor: an AI signed 28.8% of its commits, with Codex, Claude Code, Cursor, GitHub Copilot, and CodeRabbit; in SurfSense, 6.6%.

The proof: the commits each tool signed in HKUDS/DeepTutor

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