Show HN: Open Codex – OpenAI Codex CLI with open-source LLMs
Published on: 2025-08-17 10:57:03
Open Codex
Open Codex CLI
Lightweight coding agent that runs in your terminal
brew tap codingmoh/open-codex
brew install open-codex
Open Codex is a fully open-source command-line AI assistant inspired by OpenAI Codex, supporting local language models like phi-4-mini .
No API key is required. Everything runs locally.
Supports:
One-shot mode : open-codex "list all folders" -> returns shell command
: -> returns shell command 🧠 Local-only execution using supported OS models (currently phi-4-mini )
✨ Features
Natural Language to Shell Command (via local models)
Works on macOS, Linux, and Windows (Python-based)
Confirmation before execution
Add to clipboard / abort / execute prompt
One-shot interaction mode (interactive and function-calling coming soon)
Colored terminal output for better readability
🧱 Future Plans
Interactive, context aware mode
Fancy TUI with textual or rich
or Add support for additional OSS Models
Full interactive chat mode
Function-calling support
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