codex vs git-cliff

codex and git-cliff share 4 technologies: Tokio, pulldown-cmark, tracing, and tracing-subscriber. Both are written in Rust.

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What they share and what sets them apart

openai

codex

Lightweight coding agent that runs in your terminal

Rust133.9kRead on November 9, 2026, at commit 6107b98What is codex built with?

Only in codex

In common

orhun

git-cliff

A highly customizable Changelog Generator that follows Conventional Commit specifications ⛰️

Rust12.5kRead on November 11, 2026, at commit 4f65432What is git-cliff built with?

Only in git-cliff

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
codex2,374,591 lines written4,286 code files
git-cliff18,178 lines written42 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.
codex2.7% of its commits signed by AIWith Codex, Claude Code, and GitHub Copilot
git-cliff0.3% of its commits signed by AIWith Claude Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
codexLast push November 9, 202613,317 commits133,900 stars
git-cliffLast push November 2, 20261,574 commits12,531 stars
TestsThe files that test the code, and the share of code files a test imports.
codex2,509 test files51.9% of its code files have a test that imports them
git-cliff2 test files

Frequently asked questions

Which is bigger, codex or git-cliff?
codex, with 2,374,591 lines written; git-cliff has 18,178.

The proof: openai/codex's code at commit 6107b98

Which has more GitHub stars, codex or git-cliff?
codex, with 133,900 stars; git-cliff has 12,531.

The proof: openai/codex on GitHub

Which has more tests, codex or git-cliff?
codex, with 2,509 test files; git-cliff has 2.

The proof: openai/codex's code at commit 6107b98

Which was updated more recently, codex or git-cliff?
codex: its last push was on November 9, 2026, and git-cliff's on November 2, 2026.

The proof: openai/codex's commits on GitHub

Which has more commits signed by AI, codex or git-cliff?
codex: an AI signed 2.7% of its commits, with Codex, Claude Code, and GitHub Copilot; in git-cliff, 0.3%.

The proof: the commits each tool signed in openai/codex

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