OpenAI Codex CLI

Open-source terminal coding agent from OpenAI that plans, edits, and tests repos in a sandbox.

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Fit.

Catalog snapshot

Platforms: Linux, Macos, Windows
Operating systems: Linux, macOS, Windows
Ram floor: 2 GB
Gpu: Not needed
Docker: No
Setup: Beginner
Deploy as: Local
Commercial use: Allowed

The CLI is open source; the default model routing is a hosted OpenAI account.

Project.

Fetched Sep 12, 2026¹

License: Apache 2.0
Stars: 123.6k¹
Forks: 19k¹
Open issues: 16661¹
Language: Rust¹
Last commit: Sep 12, 2026¹
Tags: terminalagentrust

About.

Codex is OpenAI’s open-source terminal coding agent: it reads a repo, proposes patches, and runs commands inside a sandbox. Apache-2.0 with a hosted model behind it, or wire it to a local runner. The Rust binary installs in one command.

terminal agent · sandboxed execution · MCP support · Rust binary

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