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 Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

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 Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

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 Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Supported

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

Agentic AI Supported
AI Agents Supported
AI Code Generators Supported
AI Coding Agents Supported

Categories

Agentic AI Supported
AI Coding Agents Supported
AI Security Supported
Code Security Supported

Integrations

ChatGPT Enterprise Supported
GPT-5 Supported
GPT-5.1 Supported
GPT-5.1 Instant Supported
GPT-5.1 Pro Supported
GPT-5.1 Thinking Supported
GPT-5.2 Pro Supported
GPT-5.2-Codex Supported
GPT-5.3 Instant Supported
GPT-5.4 Supported
GPT-5.4 Pro Supported
GPT-5.5 Pro Supported
GPT-5.6 Luna Supported
GPT-6 Astra Supported
GPT-6 Luna Supported
GPT-6 Sol Supported
GPT-6.1 Sol Supported
GPT‑5-Codex Supported
GPT‑5.3‑Codex‑Spark Supported
OpenAI Supported

Integrations

ChatGPT Enterprise Supported
GPT-5 Supported
GPT-5.1 Supported
GPT-5.1 Instant Supported
GPT-5.1 Pro Supported
GPT-5.1 Thinking Supported
GPT-5.2 Pro Supported
GPT-5.2-Codex Supported
GPT-5.3 Instant Supported
GPT-5.4 Supported
GPT-5.4 Pro Supported
GPT-5.5 Pro Supported
GPT-5.6 Luna Supported
GPT-6 Astra Supported
GPT-6 Luna Supported
GPT-6 Sol Supported
GPT-6.1 Sol Supported
GPT‑5-Codex Supported
GPT‑5.3‑Codex‑Spark Supported
OpenAI Supported
Claim Codex CLI and update features and information
Claim Codex CLI and update features and information
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Claim Codex Security and update features and information