codex vs wasmer
codex and wasmer share 7 technologies: Tokio, tower, zip, schemars, tracing, tracing-subscriber, 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
wasmerio
wasmer
🚀 Fast and lightweight sandboxes for your apps and AI agents
Rust21.2kRead on November 5, 2026, at commit 66ad7a7What is wasmer built with?Only in wasmer
- dialoguer
- indicatif
- comfy-table
- console
- console-subscriber
Side by side
codexwasmer
SizeLines written by people and agents, without generated ones; code files, without tests.
codex2,320,674 lines written4,216 code files
wasmer334,322 lines written958 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
wasmer0.5% of its commits signed by AIWith Codex, 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
wasmerLast push November 5, 202616,762 commits21,221 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
wasmer202 test files2.9% of its code files have a test that imports them
Frequently asked questions
Which is bigger, codex or wasmer?
codex, with 2,320,674 lines written; wasmer has 334,322.
The proof: openai/codex's code at commit 021fccb
Which has more GitHub stars, codex or wasmer?
codex, with 133,103 stars; wasmer has 21,221.
The proof: openai/codex on GitHub
Which has more tests, codex or wasmer?
codex, with 2,448 test files; wasmer has 202.
The proof: openai/codex's code at commit 021fccb
Which was updated more recently, codex or wasmer?
wasmer: its last push was on November 5, 2026, and codex's on November 4, 2026.
The proof: wasmerio/wasmer's commits on GitHub
Which has more commits signed by AI, codex or wasmer?
codex: an AI signed 2.8% of its commits, with Codex, Claude Code, and GitHub Copilot; in wasmer, 0.5%.
The proof: the commits each tool signed in openai/codex
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