Codex CLI

Codex CLI

OpenAI
+
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About

Codex CLI is an open-source, lightweight coding agent that integrates directly into your terminal, designed to help developers write, edit, and understand code efficiently. By pairing with Codex CLI, developers can leverage the power of AI to streamline their workflow, get real-time code suggestions, and improve their coding accuracy, all from within their command line interface. It provides a seamless, accessible way to enhance coding productivity while staying in the environment developers are already comfortable with.

About

Codex Security is an AI-powered application security agent developed by OpenAI to help teams detect and fix vulnerabilities in software systems. The tool analyzes code repositories to understand the structure, architecture, and potential risk areas within a project. Using this context, it identifies complex security issues that traditional scanning tools might overlook. Codex Security prioritizes vulnerabilities based on their real-world impact, helping security teams focus on the most critical threats. The system also validates findings through sandboxed testing environments to reduce false positives and improve accuracy. Once vulnerabilities are confirmed, it proposes patches and remediation steps that align with the system’s existing behavior. By combining AI reasoning with automated validation, Codex Security helps development teams ship more secure code faster.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Codex CLI is ideal for developers and software engineers looking to enhance their coding efficiency, automate repetitive tasks, and improve code quality using AI-powered assistance directly within their command line environment

Audience

Codex Security is designed for software developers, DevSecOps teams, security engineers, and organizations that need advanced tools to detect vulnerabilities and secure their software development pipelines

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Open source
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Pros & Cons from Real Users

Pros

  • Codex CLI is great because it brings OpenAI’s coding agent directly into the terminal. I like that it fits into a normal developer workflow instead of forcing everything through a separate web app or IDE extension. It can read, modify, and work with code locally, which makes it useful for debugging, refactoring, exploring a repo, and handling coding tasks without leaving the command line. That is especially nice for developers who already live in terminal-first workflows. I also like that it is part of the broader Codex ecosystem. If I want the same general agent experience in an IDE, desktop app, or ChatGPT’s cloud-based Codex, there are options for that too.

Cons

  • I would still supervise it closely. Any AI coding agent that can touch local files and interact with a dev environment needs review, tests, and clear boundaries. It can also run into the usual coding-agent issues: setup problems, API/config errors, terminal quirks, command failures, and tool-use mistakes. A recent empirical study of Claude Code, Codex, and Gemini CLI found that many reported bugs in these tools involve functionality, integrations, configuration, terminal behavior, and command execution.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

OpenAI
Founded: 2015
United States
openai.com

Company Information

OpenAI
Founded: 2015
United States
openai.com

Alternatives

Amp

Amp

Amp Code

Alternatives

Claude Security

Claude Security

Anthropic
CodeMender

CodeMender

Google DeepMind
Codename MDASH

Codename MDASH

Microsoft
Claude Code

Claude Code

Anthropic

Categories

Categories

Integrations

GPT-5
GPT-5.1
GPT-5.1 Instant
GPT-5.1 Thinking
GPT-5.1-Codex
GPT-5.2
GPT-5.2 Thinking
GPT-5.2-Codex
GPT-5.3 Instant
GPT-5.4
GPT-5.4 mini
GPT-5.5
GPT-5.5 Pro
GPT-5.6 Luna
GPT-5.6 Sol
GPT-5.6 Sol Ultrafast
GPT-5.6 Terra
GPT-6 Astra
GPT‑5-Codex
GitHub

Integrations

GPT-5
GPT-5.1
GPT-5.1 Instant
GPT-5.1 Thinking
GPT-5.1-Codex
GPT-5.2
GPT-5.2 Thinking
GPT-5.2-Codex
GPT-5.3 Instant
GPT-5.4
GPT-5.4 mini
GPT-5.5
GPT-5.5 Pro
GPT-5.6 Luna
GPT-5.6 Sol
GPT-5.6 Sol Ultrafast
GPT-5.6 Terra
GPT-6 Astra
GPT‑5-Codex
GitHub
Claim Codex CLI and update features and information
Claim Codex CLI and update features and information
Claim Codex Security and update features and information
Claim Codex Security and update features and information