Gemini CLI
Google's open-source terminal agent powered by Gemini.
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Use cases
About Gemini CLI
Gemini CLI is listed in our coding category and is aimed at builders. Google's open-source terminal agent powered by Gemini. Pricing, as the maker states it: Open source; free tier. Maturity: Mature. We last checked the official link on 2026-10-14.
What is Gemini CLI?
Gemini CLI is Google's open-source AI agent that brings Gemini into your terminal, giving lightweight, direct access from your prompt to the model.
Its README notes that for unpaid-tier and Google One users, Gemini CLI was replaced by Antigravity CLI on June 18, 2026, and that Gemini CLI is not optimized for the latest Gemini models; Google points to Antigravity for the best coding experience with them.
Sources: the official README and our directory listing, checked 2026-10-18. Official site: geminicli.com.
Who is Gemini CLI for?
Developers who want an open-source terminal agent for Gemini models. Check the current README first, since Google now recommends Antigravity CLI for many users.
Gemini CLI at a glance
- Open source: Yes (Apache License 2.0)
- GitHub: google-gemini/gemini-cli · 107,482 stars (as of Oct 21, 2026)
Key features
- Open-source terminal agent for Gemini
- Lightweight, direct prompt-to-model access
- Successor for unpaid tier: Antigravity CLI (per the README)
Gemini CLI FAQ
What is Gemini CLI?
Gemini CLI is Google's open-source AI agent that brings Gemini into your terminal, giving lightweight, direct access from your prompt to the model.
Who is Gemini CLI for?
Developers who want an open-source terminal agent for Gemini models. Check the current README first, since Google now recommends Antigravity CLI for many users.
Is Gemini CLI free?
Gemini CLI's pricing, as the maker states it: Open source; free tier. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is Gemini CLI open source?
Yes. Gemini CLI is released under the Apache License 2.0, according to its GitHub repository.
What are alternatives to Gemini CLI?
Similar tools include Claude Code, OpenAI Codex CLI, opencode, Chaterm, Pi and Grok CLI.
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