How to Use AI CLI Tools: Claude Code, Codex, and Gemini CLI

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Learn how to use AI CLI tools Claude Code, Codex, and Gemini CLI to improve coding efficiency

intermediate Published 28 Mar 2026
Action Steps
  1. Install AI CLI tools using a built-in install wizard
  2. Run Claude Code to read project files and create, edit, or delete files
  3. Use Codex to generate code snippets and automate coding tasks
  4. Utilize Gemini CLI to optimize coding workflows
Who Needs to Know This

Developers and software engineers can benefit from using AI CLI tools to automate coding tasks and improve productivity

Key Insight

💡 AI CLI tools can automate coding tasks and improve developer productivity

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🚀 Boost coding productivity with AI CLI tools!

Key Takeaways

Learn how to use AI CLI tools Claude Code, Codex, and Gemini CLI to improve coding efficiency

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Published Time: 2026-03-28T20:45:44Z

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Posted on Mar 28

# How to Use AI CLI Tools: Claude Code, Codex, and Gemini CLI

[#ai](https://dev.to/t/ai)[#cli](https://dev.to/t/cli)[#code](https://dev.to/t/code)[#gemini](https://dev.to/t/gemini)

AI CLI tools are changing how developers write code. Instead of switching to a browser or IDE extension, you stay in your terminal and work with an AI that can read your codebase, edit files, and run commands. Here is a practical overview of the major options.

_All four tools below can be installed from [Yaw's](https://yaw.sh/terminal) built-in install wizard (Ctrl+Shift+I), which handles dependencies automatically._

* * *

## [](https://dev.to/jeffyaw/how-to-use-ai-cli-tools-claude-code-codex-and-gemini-cli-24d7#claude-code) Claude Code

Claude Code is Anthropic's AI coding assistant. It runs in your terminal, reads your project files, and can create, edit, and delete files with your approval. It is an agentic tool ΓÇö you give it a task and it works through it step by step.

### [](https://dev.to/je
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