Coding tool

Gemini CLI

Google's open-source terminal AI agent with a generous free tier and direct Gemini access.

Last updated by editors: 2026-07-27

Official media from the Gemini CLI website

Our review

Gemini CLI is Google's open-source terminal coding agent: it reads and writes files, runs commands and searches the web, and a personal Google account gets a generous free quota — the fastest zero-cost way to try a terminal agent.

Stability on complex tasks still trails Claude Code, and long sessions occasionally drift. But open source, free, and backed by Gemini models — that combination makes it one of the most worthwhile installs for terminal users.

Pros

Generous free quota

Open source

Gemini model power

Instant setup

Cons

Less stable than Claude Code

Occasional drift on long tasks

Young ecosystem

Key features

Terminal agentFile read/writeCommand executionWeb search

Best for

Terminal workflowsTrying agents for freeScript automationCode Q&A

Who it's not for

需要图形界面与团队管控的用户

需要稳定长任务执行的生产自动化

Limits to plan for

稳定性弱于成熟 Agent 产品
长任务偶有跑偏
免费额度受官方策略调整影响

FAQ

What is Gemini CLI?

Google's open-source terminal AI agent with a generous free tier and direct Gemini access.

What are the pros and cons of Gemini CLI?

Pros: Generous free quota, Open source, Gemini model power, Instant setup. Cons: Less stable than Claude Code, Occasional drift on long tasks, Young ecosystem.

How much does Gemini CLI cost?

Free: Free; API: Pay as you go.

Who is Gemini CLI for?

Best for Terminal workflows, Trying agents for free, Script automation, Code Q&A.

What are the alternatives to Gemini CLI?

Consider Claude Code, Codex, Aider.

Visit site ↗GitHub repository ↗