Gemini CLI

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Google's open-source terminal coding agent, being replaced by Antigravity CLI

Google · Code Assistance Launched Jun 25, 2025

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Quick Answer

Gemini CLI is google's open-source terminal coding agent, being replaced by antigravity cli, made by Google. It offers a free tier with paid upgrades. Key uses: Codebase-wide edits, Terminal task automation, App scaffolding.

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Open-source; rapid adoption via free tier

What is Gemini CLI?

Gemini CLI is Google's open-source command-line AI agent that brings Gemini models directly into the terminal. It can understand codebases, edit files, run shell commands, generate apps, and automate workflows using a ReAct-style agent loop. It ships with a generous free tier via a personal Google account and integrates with MCP servers and Google Search grounding. Status: Google announced on 19 May 2026 that Gemini CLI is being replaced by Antigravity CLI, and press coverage of the announcement reports that Gemini CLI and the Gemini Code Assist extensions would stop serving Google AI Pro, AI Ultra and free individual-tier users on 18 June 2026. Google said Antigravity CLI does not yet have full feature parity. We have not confirmed the June cutoff took effect, so check Google's announcement and the GitHub repository for current status.

What's new in Gemini CLI in 2026?

Gemini CLI GA (Jun 2025) with free tier of 60 requests/min and 1,000/day; Gemini 3.5 Flash default (May 2026); MCP server support; extensions ecosystem; custom slash commands; checkpointing; deep integration with Gemini Code Assist in VS Code; Google announced on 19 May 2026 that Gemini CLI is being replaced by Antigravity CLI; individual-tier access was scheduled to end 18 June 2026 (per press coverage).

How much does Gemini CLI cost?

Free (personal Google account)

$0

  • Gemini 3.5 Flash/Pro access
  • 60 requests/min, 1,000/day
  • 1M token context
  • MCP support
  • Open-source

Gemini Code Assist Standard

$19/mo

  • Higher limits
  • Enterprise controls
  • IDE integration

Vertex AI / API key

Usage-based

  • Pay-per-token via Gemini API
  • Enterprise SLA
  • Higher rate limits

What can you do with Gemini CLI?

  • Codebase-wide edits
  • Terminal task automation
  • App scaffolding
  • Debugging
  • Git workflows
  • Content generation

Pros

  • Open-source (Apache 2.0)
  • Free tier via Google login (individual access was scheduled to end 18 June 2026)
  • 1M token context
  • Google Search grounding built-in
  • MCP support
  • Non-interactive/scriptable mode

Cons

  • Being replaced by Antigravity CLI (announced 19 May 2026)
  • Newer than Claude Code/Cursor
  • Gemini-only models
  • Terminal-first UX
  • Occasional agent loop errors

Specs

Underlying Models

  • Gemini 3.5 Flash
  • Gemini 3.5 Pro
  • Gemini 2.5 Pro

Platforms

  • macOS
  • Linux
  • Windows
  • Terminal
  • VS Code (via Gemini Code Assist)

Integrations

  • GitHub
  • Google Search
  • MCP servers
  • Gemini Code Assist
  • Google Cloud
  • Vertex AI

Ideal For

  • Developers in Google ecosystem
  • Cost-conscious devs (free tier)
  • Terminal-centric engineers
  • CI/CD automation

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What are the best alternatives to Gemini CLI?

Compare Gemini CLI Head-to-Head

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Frequently Asked Questions about Gemini CLI

How much does Gemini CLI cost?

Gemini CLI pricing: Free (personal Google account) at $0; Gemini Code Assist Standard at $19/mo; Vertex AI / API key at Usage-based.

Is Gemini CLI free?

Gemini CLI offers a free tier with limited usage. Paid plans unlock additional features.

What is Gemini CLI used for?

Gemini CLI is used for: Codebase-wide edits, Terminal task automation, App scaffolding, Debugging, Git workflows, Content generation.

What are the best alternatives to Gemini CLI?

Top alternatives to Gemini CLI include Cursor, Aider, Claude Code, Cline.

What platforms does Gemini CLI support?

Gemini CLI is available on: macOS, Linux, Windows, Terminal, VS Code (via Gemini Code Assist).