Google's open-source terminal agent; free tier moved to Antigravity CLI in 2026.
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Official video: “AI coding with Gemini CLI - Google's terminal agentic coding tool” — Google for Developers (official)
Open-source (Apache-2.0) AI agent for the terminal: coding, research and task automation with Gemini models and MCP tools. source
| Free tier | No longer for unpaid users (moved to Antigravity CLI) source |
| Paid | Google AI Pro/Ultra, Developer Program, or pay-as-you-go API key source |
| Latest version | TBD |
Last checked: 2026-10-17