gemini-cli

Google's earlier terminal agent, run as gemini --yolo. Google has wound it down in favour of Antigravity CLI. It stays registered so existing runbooks keep running; start new Gemini work on antigravity.

Providers	`google`
Model ids	Gemini API ids, bare (`gemini-3.1-pro-preview`, `gemini-2.5-flash`). Default `gemini-2.5-pro`.
MCP	Yes, through `~/.gemini/settings.json`.
Usage	Yes, read from the session file after the run.
agent_env	—

agent: gemini-cli
model: gemini-3.1-pro-preview
model_provider: google

Back: Runtime Configuration — the full comparison table, frontmatter defaults, and per-run overrides.