codex vs prime-agent
codex and prime-agent share 5 technologies: Tokio, Ratatui, crossterm, hmac, and tracing. 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
- axum
- lru
- SQLite
- Sentry
- tower
objc2-app-kit
- keyring
- rmcp
- png
- image
- pulldown-cmark
- zip
- schemars
- Pydantic
tracing-subscriber
- log
In common
PrimeIntellect-ai
prime-agent
A self-improving RLM agent for coding workflows and long-running autonomous tasks.
Rust22.6kRead on November 4, 2026, at commit 74591cdWhat is prime-agent built with?Only in prime-agent
Side by side
codexprime-agent
SizeLines written by people and agents, without generated ones; code files, without tests.
codex2,320,674 lines written4,216 code files
prime-agent685,422 lines written872 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
prime-agent0.4% of its commits signed by AIWith Claude Code, Gemini CLI, and Amp
ActivityFrom GitHub and its history, on the day SeeRepo read it.
codexLast push November 4, 202613,099 commits133,103 stars
prime-agentLast push November 4, 20265,064 commits22,571 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
prime-agent479 test files41.5% of its code files have a test that imports them
Frequently asked questions
Which is bigger, codex or prime-agent?
codex, with 2,320,674 lines written; prime-agent has 685,422.
The proof: openai/codex's code at commit 021fccb
Which has more GitHub stars, codex or prime-agent?
codex, with 133,103 stars; prime-agent has 22,571.
The proof: openai/codex on GitHub
Which has more tests, codex or prime-agent?
codex, with 2,448 test files; prime-agent has 479.
The proof: openai/codex's code at commit 021fccb
Which was updated more recently, codex or prime-agent?
Both got their last push on November 4, 2026.
The proof: PrimeIntellect-ai/prime-agent's commits on GitHub
Which has more commits signed by AI, codex or prime-agent?
codex: an AI signed 2.8% of its commits, with Codex, Claude Code, and GitHub Copilot; in prime-agent, 0.4%.
The proof: the commits each tool signed in openai/codex
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