Source: https://seerepo.com/compare/janhq/jan/vs/xai-org/grok-build
Markdown source: https://seerepo.com/compare/janhq/jan/vs/xai-org/grok-build.md
Description: jan and grok-build share 17 technologies: SQLite, Tokio, rusqlite, OpenAI, indicatif, Ratatui, hmac, oauth2, rmcp, agent-client-protocol, pulldown-cmark, zip, schemars, log, env_logger, infer, and quick-xml. Both are written in Rust.

# jan vs grok-build

jan and grok-build share 17 technologies: SQLite, Tokio, rusqlite, OpenAI, indicatif, Ratatui, hmac, oauth2, rmcp, agent-client-protocol, pulldown-cmark, zip, schemars, log, env_logger, infer, and quick-xml. Both are written in Rust.

- [janhq/jan](https://seerepo.com/r/janhq/jan): Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.
- [xai-org/grok-build](https://seerepo.com/r/xai-org/grok-build): SpaceXAI's coding agent harness and TUI. Fullscreen, mouse interactive, extensible.

## What they share and what sets them apart

- In common: SQLite, Tokio, rusqlite, OpenAI, indicatif, Ratatui, hmac, oauth2, rmcp, agent-client-protocol, pulldown-cmark, zip, schemars, log, env_logger, infer, quick-xml
- Only in jan: Tauri, Hummingbird, sqlx-sqlite, tauri-plugin-store, sqlx, @tauri-apps/api, gio, glib, objc2-app-kit, objc2-foundation, Vite, React, TanStack, @tauri-apps/plugin-store, PostHog, comfy-table, tauri-plugin-dialog, console, gtk, rfd, ed25519-dalek, keyring, opencv-python, png, psutil, tauri-plugin-log, cairo-rs, objc2-web-kit, webkit2gtk, webview2-com, ash, calamine, csv, html2text, pdf-extract, Tailwind CSS, class-variance-authority, tailwind-merge, sonner, Radix UI, motion, @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, katex, rehype-katex, remark-gfm, remark-math, Zod, tauri-apps
- Only in grok-build: axum, aws-sdk-s3, moka, sqlite-vec, Sentry, tower, axum-server, anstyle, fontdb, crossterm, alacritty_terminal, ansi-to-tui, ratatui-core, tiny-skia, jsonwebtoken, async-openai, bm25, kamadak-exif, image, minijinja, linkify, htmd, html-escape, pdf_oxide, resvg, scraper, jsonschema, tracing, tracing-subscriber, prometheus, OpenTelemetry, tracing-appender, tracing-opentelemetry, opentelemetry-otlp, fastrace-opentelemetry, opentelemetry-http, prometheus-parse, tracing-chrome

## Side by side

| | jan | grok-build |
|---|---|---|
| Size | 478,180 lines written, 949 code files | 1,982,128 lines written, 2,511 code files |
| Who writes it | 0.5% of its commits signed by AI. With GitHub Copilot, Claude Code, Cursor, Factory, Jules, and Aider | 0% of its commits signed by AI |
| Activity | Last push November 5, 2026, 7,455 commits, 45,500 stars | Last push September 29, 2026, 51 commits, 27,712 stars |
| Tests | 527 test files. 48.9% of its code files have a test that imports them | 1,077 test files. 52.1% 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, jan or grok-build?

grok-build, with 1,982,128 lines written; jan has 478,180.

The proof: [xai-org/grok-build's code at commit 2bdd1d6](https://github.com/xai-org/grok-build/tree/2bdd1d6a6369de0e8c68132ea4539e9abd9e14a8)

### Which has more GitHub stars, jan or grok-build?

jan, with 45,500 stars; grok-build has 27,712.

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

### Which has more tests, jan or grok-build?

grok-build, with 1,077 test files; jan has 527.

The proof: [xai-org/grok-build's code at commit 2bdd1d6](https://github.com/xai-org/grok-build/tree/2bdd1d6a6369de0e8c68132ea4539e9abd9e14a8)

### Which was updated more recently, jan or grok-build?

jan: its last push was on November 5, 2026, and grok-build's on September 29, 2026.

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

### Which has more commits signed by AI, jan or grok-build?

jan: an AI signed 0.5% of its commits, with GitHub Copilot, Claude Code, Cursor, Factory, Jules, and Aider.

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

## Sources

- janhq/jan: Read on November 6, 2026, at commit 879e6ae (https://github.com/janhq/jan/tree/879e6ae9cca4a38673fdb4093349a327e17ccbb1)
- xai-org/grok-build: Read on November 8, 2026, at commit 2bdd1d6 (https://github.com/xai-org/grok-build/tree/2bdd1d6a6369de0e8c68132ea4539e9abd9e14a8)

## 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.