Gemini CLI

Second opinion, grounding, broad analysis, verification, code review, or autonomous task delegation using Google's Gemini CLI.

Model

Do NOT force a model with -m. Let auto mode handle routing — it picks the best available model as primary with built-in fallback for transient 429s. Forcing a model with -m disables this automatic fallback and will cause hard failures on rate limits.

# CORRECT — auto-routing with fallback
gemini -p "<PROMPT>" -y

# WRONG — disables fallback, will fail on 429s
gemini -m gemini-3.1-pro-preview -p "<PROMPT>" -y

Gemini's Strengths: Grounding & Broad Context

Gemini is not just another code reviewer. Its unique value is grounding — connecting code to the broader world: