Google has unveiled Gemini CLI, an open-source AI agent designed to integrate its Gemini 2.5 Pro model directly into developers’ command-line interfaces (CLI). The tool, now available in preview, aims to streamline coding, debugging, and workflow automation using natural language prompts – all from the terminal.
Gemini CLI is our new #OpenSource AI agent that brings the power of Gemini directly into your terminal!
Access Gemini 2.5 Pro with 1M token context window, 60 requests/min, and 1,000 requests/day—at no cost with a free Gemini Code Assist license → https://t.co/Fp0wdxfbEW pic.twitter.com/Ul6hjn1hKQ
— Google Cloud Tech (@GoogleCloudTech) June 25, 2025
Key Features of Gemini CLI
1. Seamless Terminal Integration
- Works natively on Windows, macOS, and Linux terminals, supporting tasks like code generation, file manipulation, and command execution via natural language.
- Leverages Gemini 2.5 Pro’s 1-million-token context window for complex reasoning and code analysis.
2. Versatile Use Cases
- Coding: Write, explain, or debug code snippets.
- Automation: Execute shell commands or manage projects.
- Multimodal AI: Generate images (Imagen) and videos (Veo) without leaving the terminal.
3. Open-Source & Extensible
- Released under Apache 2.0 license, allowing developers to customize and extend functionality via GitHub.
- Supports Model Context Protocol (MCP) for interoperability with external tools.
4. Generous Free Tier
- Free for personal use with 60 requests/minute and 1,000/day—double the industry average.
- Enterprise options are available via Google AI Studio or Vertex AI.
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Why Developers Are Excited
Gemini CLI fills a niche for terminal-centric developers, offering an alternative to IDE-based tools like GitHub Copilot or Cursor. Its open-source nature and high free-tier limits position it as a strong competitor to Anthropic’s Claude Code and OpenAI’s Codex CLI.
Getting Started
Developers can download Gemini CLI from its GitHub repository and activate it with a free Gemini Code Assist license. Google’s push into terminal-based AI reflects its strategy to dominate the developer tools market. With Gemini CLI, the company bets on open-source collaboration and high usability to win over coders.
