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What is Gemini CLI and How Agentic AI is Transforming Software Development

B
Bharath Asokan

Software development is evolving at lightning speed—and Agentic AI is the new frontier. One of the most exciting tools leading this charge is Gemini CLI, an open-source command-line tool from Google that's set to change how developers build and manage software projects.

Introducing Gemini CLI: Google's Open-Source Agentic AI Tool

Gemini CLI is an open-source, AI-powered tool built by Google. Think of it as an AI partner that sits inside your terminal and helps you get things done faster and smarter. Whether you're launching a new web app, debugging code, or automating repetitive tasks, Gemini CLI can save you hours of work.

It's part of a new category called Agentic AI—tools powered by Large Language Models (LLMs) that don't just respond to commands but actively plan and execute multi-step tasks on your behalf.

Why is Gemini CLI Important?

Earlier this year, Anthropic launched Claude Code, a similar AI tool. Now, Google has responded with Gemini CLI, showing that big tech companies are betting heavily on Agentic AI as the next major shift in software development.

Businesses are already seeing real ROI from tools like Gemini CLI. Imagine launching a mobile app in days instead of weeks—or fixing critical bugs in minutes. That's the kind of impact Agentic AI can deliver, especially for SMBs competing with larger players.

What Exactly is a CLI?

CLI stands for Command Line Interface. It's the text-based way to give instructions to your computer. Before modern windows and icons (GUIs), CLIs were the main way people interacted with computers.

On macOS and Linux, the CLI is often called the terminal or shell. Many developers prefer macOS or Linux because they're built on Unix (or Unix-like) systems, making them highly compatible with modern software tools.

Fun fact: most servers running the internet use Unix-based systems like Linux—and they're managed via CLI!

How Developers Typically Work

Most developers write code using IDEs (Integrated Development Environments) like:

  • Visual Studio Code (VS Code) – the most popular editor today
  • IntelliJ IDEA – a favorite for enterprise and large-scale projects

These tools help programmers write, test, and organize code efficiently. But with the arrival of Agentic AI, we're moving toward tools that can write and manage code themselves—not just help us edit it.

How Agentic AI Changes the Game

At its core, a Large Language Model (LLM) like Gemini is a smart prediction engine. It predicts the next word in a sentence—but it does this so well that it can generate text, images, code, video, and even interact with external tools like databases, APIs, or cloud services.

So what happens if you embed this intelligence into a CLI? You get a supercharged AI assistant that can:

  • Build entire applications from scratch
  • Debug complex issues from natural language instructions
  • Connect to external systems for data fetching, automation, and integrations
  • Plan multi-step workflows and execute them automatically

This is the vision of Agentic AI. Tools like Gemini CLI don't just answer questions—they take action.

What Can You Do With Gemini CLI?

Here's a glimpse of the tasks Gemini CLI can help you with:

  • Debug code by simply describing the problem in natural language
  • Generate web and mobile apps from scratch in minutes
  • Spin up new projects with minimal setup
  • Work on multiple projects in parallel—each with its own AI-driven workflow
  • Integrate with external systems like databases, file storage, and APIs (Gemini CLI is MCP-compatible)

For example, you could type:

create a beautiful journal app for my post partum

...and Gemini CLI will handle the steps to generate a working React project. Sometimes it may ask for permissions—like writing new files to your machine—but most tasks can run with minimal human input.

Where Can You Run Gemini CLI?

  • Locally on your machine for direct development work
  • In cloud environments to automate deployments, generate new websites, or create custom scripts

For businesses, this means faster prototypes, quicker iterations, and lower development costs—perfect for SMBs trying to stay competitive.

Gemini CLI vs. Claude Code

Both Gemini CLI and Claude Code offer similar capabilities—like generating code, debugging, and automating tasks. However, Gemini CLI stands out for a few key reasons:

  • Open-source – anyone can contribute or adapt it for custom use cases
  • Free usage limits – Gemini CLI offers one of the most generous free tiers in the industry:
    • Up to 60 model requests per minute
    • Up to 1,000 model requests per day

This makes it especially attractive for smaller teams and startups looking to experiment with Agentic AI without major upfront costs.

The Future of Agentic AI for SMBs

We're entering an era where software development can be dramatically faster and more efficient, thanks to tools like Gemini CLI. For SMBs, Agentic AI represents a chance to:

  • Reduce costs
  • Deliver products faster
  • Compete with larger companies on a more level playing field

Whether you're a technical founder, CTO, or business leader exploring digital transformation, now's the perfect time to start experimenting with Agentic AI tools like Gemini CLI.

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