helix vs codex
helix and codex share 4 technologies: Tokio, crossterm, pulldown-cmark, and log. Both are written in Rust.
LinkedInWhat they share and what sets them apart
helix-editor
helix
A post-modern modal text editor.
Rust46.8kRead on November 6, 2026, at commit ba40e54What is helix built with?Only in helix
- termina
In common
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
Side by side
helixcodex
SizeLines written by people and agents, without generated ones; code files, without tests.
helix108,689 lines written215 code files
codex2,320,674 lines written4,216 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.
helix0% of its commits signed by AIWith Claude Code
codex2.8% of its commits signed by AIWith Codex, Claude Code, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
helixLast push September 29, 20267,621 commits46,818 stars
codexLast push November 4, 202613,099 commits133,103 stars
TestsThe files that test the code, and the share of code files a test imports.
helix80 test files2.3% of its code files have a test that imports them
codex2,448 test files51.6% of its code files have a test that imports them
Frequently asked questions
Which is bigger, helix or codex?
codex, with 2,320,674 lines written; helix has 108,689.
The proof: openai/codex's code at commit 021fccb
Which has more GitHub stars, helix or codex?
codex, with 133,103 stars; helix has 46,818.
The proof: openai/codex on GitHub
Which has more tests, helix or codex?
codex, with 2,448 test files; helix has 80.
The proof: openai/codex's code at commit 021fccb
Which was updated more recently, helix or codex?
codex: its last push was on November 4, 2026, and helix's on September 29, 2026.
The proof: openai/codex's commits on GitHub
Which has more commits signed by AI, helix or codex?
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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