Source: https://seerepo.com/compare/openai/codex/vs/storytold/pdfcraft
Markdown source: https://seerepo.com/compare/openai/codex/vs/storytold/pdfcraft.md
Description: codex and pdfcraft share 6 technologies: objc2-app-kit, objc2-foundation, hmac, png, image, and log. Both are written in Rust.

# codex vs pdfcraft

codex and pdfcraft share 6 technologies: objc2-app-kit, objc2-foundation, hmac, png, image, and log. Both are written in Rust.

- [openai/codex](https://seerepo.com/r/openai/codex): Lightweight coding agent that runs in your terminal
- [storytold/pdfcraft](https://seerepo.com/r/storytold/pdfcraft): PdfCraft: An open-source PDF reader and editor written by scratch in pure Rust

## What they share and what sets them apart

- In common: objc2-app-kit, objc2-foundation, hmac, png, image, log
- Only in codex: axum, lru, SQLite, Sentry, Tokio, tower, Ratatui, crossterm, keyring, rmcp, pulldown-cmark, zip, schemars, Pydantic, tracing, tracing-subscriber, tracing-appender
- Only in pdfcraft: egui, eframe, skrifa, craft-ui, rfd, egui_extras, kurbo, wayland-client, pbkdf2, ed25519-dalek, hayro, hayro-syntax, lopdf, roxmltree, craft-print, tiff, zune-jpeg, plist

## Side by side

| | codex | pdfcraft |
|---|---|---|
| Size | 2,320,674 lines written, 4,216 code files | 434,248 lines written, 596 code files |
| Who writes it | 2.8% of its commits signed by AI. With Codex, Claude Code, and GitHub Copilot | 50.8% of its commits signed by AI. With Claude Code, Codex, GitHub Copilot, Cursor, and Devin |
| Activity | Last push November 4, 2026, 13,099 commits, 133,103 stars | Last push November 5, 2026, 3,438 commits, 19,706 stars |
| Tests | 2,448 test files. 51.6% of its code files have a test that imports them | 270 test files. 53.7% 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, codex or pdfcraft?

codex, with 2,320,674 lines written; pdfcraft has 434,248.

The proof: [openai/codex's code at commit 021fccb](https://github.com/openai/codex/tree/021fccb046508938c4754982efccfb51d6e8356e)

### Which has more GitHub stars, codex or pdfcraft?

codex, with 133,103 stars; pdfcraft has 19,706.

The proof: [openai/codex on GitHub](https://github.com/openai/codex)

### Which has more tests, codex or pdfcraft?

codex, with 2,448 test files; pdfcraft has 270.

The proof: [openai/codex's code at commit 021fccb](https://github.com/openai/codex/tree/021fccb046508938c4754982efccfb51d6e8356e)

### Which was updated more recently, codex or pdfcraft?

pdfcraft: its last push was on November 5, 2026, and codex's on November 4, 2026.

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

### Which has more commits signed by AI, codex or pdfcraft?

pdfcraft: an AI signed 50.8% of its commits, with Claude Code, Codex, GitHub Copilot, Cursor, and Devin; in codex, 2.8%.

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

## Sources

- openai/codex: Read on November 4, 2026, at commit 021fccb (https://github.com/openai/codex/tree/021fccb046508938c4754982efccfb51d6e8356e)
- storytold/pdfcraft: Read on November 6, 2026, at commit 9f04acc (https://github.com/storytold/pdfcraft/tree/9f04accceff67174fc2817035f8ab4577bef8285)

## 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.