codex vs zellij
codex and zellij share 8 technologies: axum, SQLite, Tokio, objc2-app-kit, objc2-foundation, crossterm, png, and log. Both are written in Rust.
LinkedInWhat 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?Only in codex
In common
zellij-org
zellij
A terminal workspace with batteries included
Rust36kRead on November 7, 2026, at commit 43c8710What is zellij built with?Only in zellij
Side by side
codexzellij
SizeLines written by people and agents, without generated ones; code files, without tests.
codex2,320,674 lines written4,216 code files
zellij612,599 lines written599 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
zellij0% of its commits signed by AIWith Claude Code and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
codexLast push November 4, 202613,099 commits133,103 stars
zellijLast push November 6, 20263,240 commits35,961 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
zellij191 test files32.7% of its code files have a test that imports them
Frequently asked questions
Which is bigger, codex or zellij?
codex, with 2,320,674 lines written; zellij has 612,599.
The proof: openai/codex's code at commit 021fccb
Which has more GitHub stars, codex or zellij?
codex, with 133,103 stars; zellij has 35,961.
The proof: openai/codex on GitHub
Which has more tests, codex or zellij?
codex, with 2,448 test files; zellij has 191.
The proof: openai/codex's code at commit 021fccb
Which was updated more recently, codex or zellij?
zellij: its last push was on November 6, 2026, and codex's on November 4, 2026.
The proof: zellij-org/zellij's commits on GitHub
Which has more commits signed by AI, codex or zellij?
codex: an AI signed 2.8% of its commits, with Codex, Claude Code, and GitHub Copilot.
The proof: the commits each tool signed in openai/codex
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