Codex CLI

OpenAI

Rust-powered terminal coding agent from OpenAI. Fast startup and sandboxed execution. Open-source core with ChatGPT subscription required for API access.

Rust core for speed, open source, sandboxed execution

CLI Agent Open Source Subscription Apache-2.0

Visit Website Source Code 64.0k Documentation Back to Agents

Tech Stack

Rust (96%) + TypeScript

GitHub Stars

64.0k

Pricing

Subscription

Initial Release

April 15, 2025

Features & Capabilities

Open Source

Self-Hostable

MCP Support

Multi-Model

Multi-Agent

Voice Support

Free Tier

Capabilities

code_generationcode_editingmulti_file_editingdebuggingbash_executionfile_management

Supported Model Providers

openai

Pricing Details

Requires: ChatGPT Plus ($20/mo) or Pro ($200/mo)

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Details

Developer: OpenAI
Category: CLI Agent
Status: Active
Initial Release: April 15, 2025
License: Apache-2.0
Tech Stack: Rust (96%) + TypeScript
Install: cargo install codex-cli
Agent ID: codex-cli

Platforms

linuxmacoswindows

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Last updated: March 14, 2026