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Gemini CLI review

Freemium#4 of 103 in AI Coding Assistants

Free, open-source terminal coding assistance with agents, testing, and IDE connections.

9.0/10Editor score
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Gemini CLI9.0 Visit Gemini CLI

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Gemini CLI is an open-source, terminal-first AI coding agent for developers working across Windows, macOS, and Linux. It can generate and debug code, explore codebases, read and edit files, run shell commands and tests, automate multi-step tasks, and use project context from GEMINI.md files. Its strongest fit is for developers who want free coding assistance centered on the terminal, with optional connections to editors and external tools.

The feature set extends beyond chat assistance. Gemini CLI supports multi-file editing, agent mode, specialized subagents, MCP servers and extensions, non-interactive or headless scripting, and checkpointing for session recovery. It connects with GitHub Actions, VS Code-compatible editors, JetBrains through ACP, and Zed through ACP. These options make it suitable for repository exploration, repeatable development workflows, and tasks that move between terminal commands and editor-based diff views. Developers seeking a narrow inline-completion tool may find the terminal-and-agent model less aligned with their workflow.

Access is available through several Google paths. The Free plan provides Google Account authentication and free access for exploring Gemini CLI. Google AI Pro and Google AI Ultra add higher usage limits, with broader AI benefits in each subscription. The Google Developer Program adds Gemini Code Assist, higher Gemini CLI usage limits, credits, and corporate Workspace account support. AI Studio provides API-key authentication, pay-as-you-go access, higher rate limits, and paid-only models, while Vertex AI adds Google Cloud authentication, enterprise security and compliance, SLA, and regional data residency. Pick Gemini CLI for open-source, terminal-first development and automation; choose another option if your priority is a dedicated inline-completion experience or enterprise controls outside Google Cloud.

Gemini CLI pros and cons

  • Where it wins
    • Free terminal access with natural-language coding and debugging
    • Multi-file editing, shell commands, testing, agents, and subagents
    • MCP, headless scripting, checkpoints, and IDE integrations
  • Where it doesn't
    • Terminal-first workflows may not suit inline-completion needs
    • Usage limits vary across Google access paths
    • Enterprise controls are tied to Vertex AI access

Gemini CLI fact sheet, pricing and score →

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