Source: https://seerepo.com/compare/hackjutsu/Lepton/vs/janhq/jan
Markdown source: https://seerepo.com/compare/hackjutsu/Lepton/vs/janhq/jan.md
Description: Lepton and jan share 9 technologies: React, Vite, Tauri, rusqlite, SQLite, @tauri-apps/api, Tokio, katex, and keyring. Lepton is written in JavaScript and jan in Rust.

# Lepton vs jan

Lepton and jan share 9 technologies: React, Vite, Tauri, rusqlite, SQLite, @tauri-apps/api, Tokio, katex, and keyring. Lepton is written in JavaScript and jan in Rust.

- [hackjutsu/Lepton](https://seerepo.com/r/hackjutsu/Lepton): 💻     Democratizing Snippet Management (macOS/Win/Linux)
- [janhq/jan](https://seerepo.com/r/janhq/jan): Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

## What they share and what sets them apart

- In common: React, Vite, Tauri, rusqlite, SQLite, @tauri-apps/api, Tokio, katex, keyring
- Only in Lepton: Electron, react-bootstrap, boring-avatars, Chart.js, codemirror, electron-context-menu, react-split-pane, highlight.js, prismjs, Asciidoctor, markdown-it, markdown-it-emoji, markdown-it-task-lists, winston, tauri-plugin-notification
- Only in jan: Hummingbird, sqlx-sqlite, tauri-plugin-store, sqlx, cua-computer, gio, glib, objc2-app-kit, objc2-foundation, TanStack, @tauri-apps/plugin-store, PostHog, OpenAI, comfy-table, indicatif, tauri-plugin-dialog, Ratatui, console, gtk, rfd, ed25519-dalek, hmac, oauth2, cua-agent, cua-computer-server, rmcp, MLX, MLXLLM, agent-client-protocol, genai, opencv-python, Tokenizers, png, pulldown-cmark, swift-jinja, zip, schemars, apple/swift-distributed-tracing, log, reportportal-client, env_logger, psutil, tauri-plugin-log, cairo-rs, objc2-web-kit, webkit2gtk, webview2-com, ash, vulkano, calamine, csv, html2text, infer, pdf-extract, quick-xml, Tailwind CSS, class-variance-authority, tailwind-merge, sonner, Radix UI, motion, @uiw/react-textarea-code-editor, @streamdown/code, @tanstack/react-virtual, dnd-kit, emoji-picker-react, Framer, react-textarea-autosize, use-stick-to-bottom, vaul, Lucide, @tabler/icons-react, ai, ai-sdk, streamdown, react-markdown, shiki, unist-util-visit, rehype-katex, remark-gfm, remark-math, Zod, tauri-apps

## Side by side

| | Lepton | jan |
|---|---|---|
| Size | 38,168 lines written, 151 code files | 515,841 lines written, 992 code files |
| Who writes it | 0.5% of its commits signed by AI. With Codex | 0.5% of its commits signed by AI. With GitHub Copilot, Claude Code, Cursor, Factory, Jules, and Aider |
| Activity | Last push November 9, 2026, 840 commits, 10,345 stars | Last push November 13, 2026, 7,582 commits, 45,706 stars |
| Tests | 79 test files. 55.6% of its code files have a test that imports them | 583 test files. 51.4% of its code files have a test that imports them |

- 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, Lepton or jan?

jan, with 515,841 lines written; Lepton has 38,168.

The proof: [janhq/jan's code at commit ea98bd3](https://github.com/janhq/jan/tree/ea98bd3e0fe3dcf6374ec31f23045776d7471356)

### Which has more GitHub stars, Lepton or jan?

jan, with 45,706 stars; Lepton has 10,345.

The proof: [janhq/jan on GitHub](https://github.com/janhq/jan)

### Which has more tests, Lepton or jan?

jan, with 583 test files; Lepton has 79.

The proof: [janhq/jan's code at commit ea98bd3](https://github.com/janhq/jan/tree/ea98bd3e0fe3dcf6374ec31f23045776d7471356)

### Which was updated more recently, Lepton or jan?

jan: its last push was on November 13, 2026, and Lepton's on November 9, 2026.

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

### Which has more commits signed by AI, Lepton or jan?

In both, an AI signed 0.5% of their commits.

## Sources

- hackjutsu/Lepton: Read on November 13, 2026, at commit cad8cd3 (https://github.com/hackjutsu/Lepton/tree/cad8cd319e0562519ad9abd91a461492099d2051)
- janhq/jan: Read on November 13, 2026, at commit ea98bd3 (https://github.com/janhq/jan/tree/ea98bd3e0fe3dcf6374ec31f23045776d7471356)

## 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.