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

Seamlessly generate and update your code with intelligent suggestions and recommendations using OpenAI. Identify and fix bugs in your code more efficiently with AI-powered debugging assistance. Get clear explanations and documentation for complex code snippets and algorithms. Craft compelling technical documentation, meeting notes, and blog posts with precision and clarity. DevPromptAi is free to use. You will need to have a working OpenAI API key in order to use the app. When you use the OpenAI API key, you pay directly to OpenAI for the amount of credits/tokens you use. Your API is safe and stored encrypted locally on your device in the browser's local storage. Requests to Open AI's API are sent directly from your browser window. DevPromptAi only stores your API key locally and never sends your API key anywhere.

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

Developers and professionals seeking an AI solution to boost their productivity

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

Free
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

DevPromptAi
devprompt.ai/

Alternatives

Amp

Amp

Amp Code

Alternatives

Claude Code

Claude Code

Anthropic

Categories

Categories

Integrations

OpenAI
Agentation
BrainGrid
Butterbase
ChatGPT
Constellation Gate AI
DocuWriter.ai
GPT-4
GPT-5.1
GPT-5.1-Codex
GPT-5.4 Pro
GPT‑5.4 Thinking
Kastra
Moonchild
OJO
OpenViking
Stonify
Subspace
TypeScript
oh-my-claudecode

Integrations

OpenAI
Agentation
BrainGrid
Butterbase
ChatGPT
Constellation Gate AI
DocuWriter.ai
GPT-4
GPT-5.1
GPT-5.1-Codex
GPT-5.4 Pro
GPT‑5.4 Thinking
Kastra
Moonchild
OJO
OpenViking
Stonify
Subspace
TypeScript
oh-my-claudecode
Claim Codex CLI and update features and information
Claim Codex CLI and update features and information
Claim DevPromptAi and update features and information
Claim DevPromptAi and update features and information