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gemini-cli

Free

An open-source AI agent that brings the power of Gemini directly into your terminal.

4.7
Model APIsFreeFree tier
Inputs: text, image, file, codeOutputs: text, code
Starting Price
Free
Type
Open Source
Company
Google
Visit Website GitHub (103.0k stars)

About gemini-cli

Gemini CLI is an open-source terminal-based interface to Google's Gemini model, enabling developers to interact with AI directly from the command line. It allows users to query and edit large codebases, generate applications from images or PDFs, and automate complex workflows—all without leaving the terminal. The tool is designed for productivity, leveraging Gemini 3 to understand text, code, images, and document files.

Key Features

Open-source CLI tool powered by Google's Gemini model
Query and edit large codebases directly from the terminal
Generate applications from images or PDFs
Automate complex workflows using natural language
Supports multiple input formats including text, images, PDFs, and code
Free to use during current availability

Pros & Cons

Pros
  • Open-source and free to use
  • Integrates with powerful Gemini 3 AI model
  • Works entirely from the command line for developer efficiency
  • Handles diverse input types (text, images, PDFs, code)
  • Supports large codebase operations
Cons
  • Will be replaced by Antigravity CLI for unpaid users on June 18th (based on website notice)
  • Requires internet access to Gemini API
  • Limited to Gemini's capabilities and may not cover all tasks
  • Free tier may have usage limits (should be verified)
  • No graphical interface; only available as CLI

Best For

Codebase analysis and refactoringRapid prototyping from design screenshots or PDF specsAutomation of repetitive development tasksDebugging and troubleshooting via terminalGenerating documentation or code comments

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FAQ

Is Gemini CLI free to use?
Yes, the tool appears to be free during its current availability. However, note an upcoming replacement for unpaid users on June 18th as indicated on the website.
What can Gemini CLI do?
It can query and edit large codebases, generate apps from images or PDFs, and automate complex workflows—all from the terminal using Gemini 3.
How do I install Gemini CLI?
You can install it via npm: 'npm install -g @google/gemini-cli'. More install options are available on the official website.
Is Gemini CLI open-source?
Yes, it is open-source and the code is available on GitHub under the google-gemini organization.
Do I need a Google account to use it?
Based on the tool being from Google and requiring the Gemini API, a Google account is likely necessary. This should be verified on the official documentation.
What happens after June 18th?
According to the website, unpaid and Google One users will be moved to Antigravity CLI. The exact impact on existing users should be checked in the official blog post.