It’s also open source, OpenAI says. “ [Codex CLI is] a lightweight, open source coding agent that runs locally in your terminal,” an OpenAI spokesperson told TechCrunch via email.

Also, Gemini CLI can work with other apps, not just Google's Gemini-based AI tools. It supports MCP, so developers can plug it into all sorts of tools that also support the interconnectivity protocol.

Google launched a new, open source AI coding tool for terminals, Gemini CLI, to compete with similar offerings from OpenAI and Anthropic.

It's called Gemini CLI, and it shares a lot with Gemini Code Assist, but it works in your terminal environment instead of integrating with an IDE. And perhaps best of all, it's free and open source.

Gemini CLI is available “free-of-charge” with a personal Google Account and free Gemini Code Assist license. This gives you access to Gemini 2.5 Pro and its 1 million token context window.

Google has released Gemini CLI, a new open-source AI command-line interface that brings the full capabilities of its Gemini 2.5 Pro model directly into developers’ terminals. Designed for ...

Gemini CLI can be used for tasks ranging from content generation and problem-solving to task management and deep research. The capabilities of the multimodal reasoning model include code ...

Google has released Gemini 2.5 Pro-powered Gemini CLI, which allows you to use Gemini inside your terminal, including Windows Terminal. Gemini CLI is written in Typescript and it works across all ...

Google introduces Gemini CLI, a free, open-source AI agent that enables developers to code, debug, and automate tasks directly from their terminal.

OpenAI recently announced rewriting its Codex CLI in Rust. Codex CLI stack originally features React, TypeScript and Node. The rewrite seeks security and performance gains on top of improved developer ...