Source: https://seerepo.com/compare/langgenius/dify/vs/yangshun/tech-interview-handbook
Markdown source: https://seerepo.com/compare/langgenius/dify/vs/yangshun/tech-interview-handbook.md
Description: dify and tech-interview-handbook share 3 technologies: Next.js, React, and Postgres. dify is written in Python and tech-interview-handbook in TypeScript.

# dify vs tech-interview-handbook

dify and tech-interview-handbook share 3 technologies: Next.js, React, and Postgres. dify is written in Python and tech-interview-handbook in TypeScript.

- [langgenius/dify](https://seerepo.com/r/langgenius/dify): Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.
- [yangshun/tech-interview-handbook](https://seerepo.com/r/yangshun/tech-interview-handbook): Curated coding interview preparation materials for busy software engineers

## What they share and what sets them apart

- In common: Next.js, React, Postgres
- Only in dify: Flask, net/http, Redis, Sentry, Resend
- Only in tech-interview-handbook: Supabase

## Side by side

| | dify | tech-interview-handbook |
|---|---|---|
| Size | 2,246,004 lines written, 6,486 code files | 37,657 lines written, 286 code files |
| Who writes it | 5.1% of its commits signed by AI. With GitHub Copilot, Claude Code, Gemini CLI, Codex, Jules, Devin, Cursor, and Warp | 0.1% of its commits signed by AI. With Claude Code |
| Activity | Last push October 28, 2026, 14,547 commits, 159,837 stars | Last push August 7, 2026, 1,336 commits, 143,178 stars |
| Tests | 4,485 test files. 65.5% of its code files have a test that imports them | 1 test files |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, dify or tech-interview-handbook?

dify, with 2,246,004 lines written in 6,486 code files; tech-interview-handbook has 37,657 in 286.

The proof: [langgenius/dify's code at commit ea5e4e9](https://github.com/langgenius/dify/tree/ea5e4e9e21e73a8b7406e2d678350a2dd33b8fa0)

### Which has more GitHub stars, dify or tech-interview-handbook?

dify, with 159,837 stars; tech-interview-handbook has 143,178.

The proof: [langgenius/dify on GitHub](https://github.com/langgenius/dify)

### Which has more tests, dify or tech-interview-handbook?

dify, with 4,485 test files; tech-interview-handbook has 1.

The proof: [langgenius/dify's code at commit ea5e4e9](https://github.com/langgenius/dify/tree/ea5e4e9e21e73a8b7406e2d678350a2dd33b8fa0)

### Which was updated more recently, dify or tech-interview-handbook?

dify: its last push was on October 28, 2026, and tech-interview-handbook's on August 7, 2026.

The proof: [langgenius/dify's commits on GitHub](https://github.com/langgenius/dify/commits)

### Which has more commits signed by AI, dify or tech-interview-handbook?

dify: an AI signed 5.1% of its commits, with GitHub Copilot, Claude Code, Gemini CLI, Codex, Jules, Devin, Cursor, and Warp; in tech-interview-handbook, 0.1%.

The proof: [the commits each tool signed in langgenius/dify](https://seerepo.com/r/langgenius/dify/ai)

## Sources

- langgenius/dify: Read on October 28, 2026, at commit ea5e4e9 (https://github.com/langgenius/dify/tree/ea5e4e9e21e73a8b7406e2d678350a2dd33b8fa0)
- yangshun/tech-interview-handbook: Read on October 28, 2026, at commit e1d28e8 (https://github.com/yangshun/tech-interview-handbook/tree/e1d28e8886c0b6ff3e50da991ce0e895134ddc59)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.