Compare
codex vs oxc
codex and oxc share 4 technologies: Tokio, schemars, tracing, and tracing-subscriber. Both are written in Rust.
What they share and what sets them apart
openai
codex
Lightweight coding agent that runs in your terminal
Rust133.1kRead on November 4, 2026, at commit 021fccbWhat is codex built with?oxc-project
oxc
⚓ A collection of high-performance JavaScript tools.
Rust23.3kRead on November 4, 2026, at commit 3d3a6f4What is oxc built with?In common
- Tokio
- schemars
tracing
Only in codex
Only in oxc
Side by side
codexoxc
SizeLines written by people and agents, without generated ones; code files, without tests.
codex2,320,674 lines written4,216 code files
oxc1,151,882 lines written3,112 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.
codex2.8% of its commits signed by AIWith Codex, Claude Code, and GitHub Copilot
oxc1.9% of its commits signed by AIWith GitHub Copilot, Claude Code, Cursor, and Codex
ActivityFrom GitHub and its history, on the day SeeRepo read it.
codexLast push November 4, 202613,099 commits133,103 stars
oxcLast push November 4, 202621,872 commits23,321 stars
TestsThe files that test the code, and the share of code files a test imports.
codex2,448 test files51.6% of its code files have a test that imports them
oxc5,900 test files2.7% of its code files have a test that imports them
Frequently asked questions
Which is bigger, codex or oxc?
codex, with 2,320,674 lines written; oxc has 1,151,882.
The proof: openai/codex's code at commit 021fccb
Which has more GitHub stars, codex or oxc?
codex, with 133,103 stars; oxc has 23,321.
The proof: openai/codex on GitHub
Which has more tests, codex or oxc?
oxc, with 5,900 test files; codex has 2,448.
The proof: oxc-project/oxc's code at commit 3d3a6f4
Which was updated more recently, codex or oxc?
Both got their last push on November 4, 2026.
The proof: oxc-project/oxc's commits on GitHub
Which has more commits signed by AI, codex or oxc?
codex: an AI signed 2.8% of its commits, with Codex, Claude Code, and GitHub Copilot; in oxc, 1.9%.
The proof: the commits each tool signed in openai/codex
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