Cline

Cline

Cline AI Coding Agent
Codex CLI

Codex CLI

OpenAI
+
+

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About

Cline is an open-source AI coding agent that helps developers understand, modify, and automate software development tasks directly from their IDE, terminal, or embedded applications. The platform supports coordinated code editing, bash command execution, planning, and autonomous workflows while giving developers control over every step of the process. Cline works with major AI models including Claude, GPT, Gemini, Mistral, DeepSeek, Ollama, and any OpenAI-compatible API without locking users into a single provider. Developers can use Cline to refactor large codebases, automate repetitive engineering tasks, integrate with CI/CD pipelines, and extend functionality through plugins and the Model Context Protocol (MCP). The platform also supports custom coding rules, reusable skills, multi-agent collaboration, and scheduled automations for complex software projects.

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.

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

Developers interested in an AI coding agent right inside their IDE.

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

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
Free Version
Free Trial

Pricing

Free
Open source
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
features 5.0 / 5
design 5.0 / 5

Reviews/Ratings

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

Pros & Cons from Real Users

Pros

  • Cline is one of the most useful coding agents I have tried because it feels like it lives where I already work. I do not have to copy code back and forth into a chatbot. It can inspect the project, edit files, run commands, use the browser, and walk through tasks inside the IDE. I really like the human-in-the-loop approval model. Cline can take meaningful action, but I still get to review commands, file edits, and changes before they happen. That makes it feel powerful without feeling reckless. The model flexibility is another big win. Cline is not locked to one provider, so I can bring my own key, use different models for different jobs, and experiment with cost, speed, and quality. The .clinerules support is also great for real projects. Being able to define coding standards, architecture conventions, deployment steps, and testing requirements helps Cline behave more like a teammate who understands the repo.

Cons

  • Cline can be very token-hungry if you let it roam through a big codebase without clear instructions. You need to scope tasks well, set project rules, and review what it is doing, especially on larger repos. It also still needs developer judgment. Cline can write code, run commands, and debug issues, but it can also make assumptions or take a path that is technically valid but not what you wanted. I would be careful with unknown repos, secrets, shell commands, and anything production-related. AI coding agents are powerful, but giving any tool terminal access means you need good permissions, review habits, and common sense.

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

Cline AI Coding Agent
United States
cline.bot/

Company Information

OpenAI
Founded: 2015
United States
openai.com

Alternatives

JetBrains Junie

JetBrains Junie

JetBrains

Alternatives

Amp

Amp

Amp Code
Bolt.new

Bolt.new

StackBlitz
Amp

Amp

Amp Code
Claude Code

Claude Code

Anthropic
Claude Code

Claude Code

Anthropic

Categories

Categories

Integrations

Bash
Butterbase
C#
C++
CSS
Go
HTML
Java
JavaScript
Kotlin
Node.js
OpenAI
PHP
Preloop
Python
React
SQL
TypeScript
GPT-5.4 Pro
OpenOwl

Integrations

Bash
Butterbase
C#
C++
CSS
Go
HTML
Java
JavaScript
Kotlin
Node.js
OpenAI
PHP
Preloop
Python
React
SQL
TypeScript
GPT-5.4 Pro
OpenOwl
Claim Cline and update features and information
Claim Cline and update features and information
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