Gemini CLI

Gemini CLI

Google
fx

fx

Vercel
+
+

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About

Gemini CLI is a free, open-source AI agent that integrates Gemini’s powerful AI capabilities directly into developers’ command line terminals. It offers fast, lightweight access to Gemini 3 Pro, enabling developers to generate code, solve problems, and manage tasks using natural language prompts. The CLI supports up to 60 model requests per minute and 1,000 requests per day at no cost, with additional paid options for professionals requiring higher usage. Gemini CLI includes advanced features like Google Search grounding for real-time web context, prompt customization, and automation within scripts. It is fully extensible and open source, welcoming community contributions via GitHub. Designed to enhance workflow efficiency, Gemini CLI brings AI-powered coding assistance to the terminal environment.

About

fx is a tiny, open, native coding agent harness and CLI written in Zig, optimized for research, performance, and embeddability as part of larger systems. Its design focuses on minimalism across the system prompt, tools, feature set, memory use, and a 6 MB binary, with an interface intended to feel closer to a Unix shell than a heavy terminal IDE. fx cold starts in microseconds and performs no unnecessary work or I/O before accepting input, making it suitable for programmatic use, resource-constrained environments, and agent sandboxes. Developers can start it inside a project and ask it to read files, search code, run commands, make changes, execute tests, and stream tool calls as they happen. The core is model- and provider-agnostic, supporting local models, gateways, direct provider access, and cloud inference. It is context-efficient by design, using a minimal system prompt and toolset to reduce token overhead and improve time to first token.

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

Gemini CLI is ideal for developers, engineers, and technical creators seeking a powerful, open-source AI assistant integrated into their terminal for coding, automation, and task management

Audience

Developers and AI infrastructure builders in need of a solution to run or embed a lightweight, extensible, model-agnostic coding agent in terminals, applications, and automated systems

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
Open source
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

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

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Pros & Cons from Real Users

Pros

  • Gemini CLI is really useful from a developer’s point of view because it brings AI right into the place I already spend a lot of time: the terminal. I can ask questions, work through code, debug issues, generate commands, summarize files, and handle development tasks without constantly jumping back to a browser tab. I like that it is open source and built around an agent-style workflow. That makes it feel more transparent and flexible than a closed coding assistant, especially if you care about understanding how the tool works or want to contribute to it. The Gemini 2.5 Pro connection is a big plus too. Having a strong reasoning model with a large context window behind a lightweight CLI makes it useful for real coding work, not just quick autocomplete-style help. I also like the MCP and Google Search support. For developers building agents, automations, or research-heavy workflows, the ability to connect tools and pull in current information makes Gemini CLI feel more like a serious agent platform than a simple command-line chatbot.

Cons

  • Gemini CLI still needs developer judgment. Like any AI coding tool with terminal access, I would not blindly run everything it suggests or let it make big changes without review. It can also run into the same kinds of issues that affect other AI coding CLIs: configuration problems, API errors, command failures, and tool-invocation bugs. One empirical study of Claude Code, Codex, and Gemini CLI found that many reported bugs in these tools are tied to functionality, integrations, configuration, terminal behavior, and command execution. I would also be careful with secrets, production systems, destructive commands, and large repo changes. The terminal is powerful, so an AI agent inside the terminal needs clear permissions and a cautious workflow.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Google
Founded: 1998
United States
geminicli.com

Company Information

Vercel
Founded: 2015
United States
fx.sh/

Alternatives

Amp

Amp

Amp Code

Alternatives

Claude Code

Claude Code

Anthropic
Cline

Cline

Cline AI Coding Agent

Categories

Categories

Integrations

Agensi
AgentKey
Code Wiki
DeployStack
Flottix
FlowLens
Gemini 3 Deep Think
Gemini 3 Flash
Gemini 3 Pro
Gemini 3.5 Pro
JetBrains Air
Jules Tools
Model Context Protocol (MCP)
Multica
OpenSpec
OpenViking
TypeUI
XHawk
claude-mem
oh-my-claudecode

Integrations

Agensi
AgentKey
Code Wiki
DeployStack
Flottix
FlowLens
Gemini 3 Deep Think
Gemini 3 Flash
Gemini 3 Pro
Gemini 3.5 Pro
JetBrains Air
Jules Tools
Model Context Protocol (MCP)
Multica
OpenSpec
OpenViking
TypeUI
XHawk
claude-mem
oh-my-claudecode
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