An in-depth comparison of Gemini CLI and Windsurf across output quality, autonomy, reliability, speed, value, and ease of use. Vote for your favorite.
Pick a winner in each category — you can change your vote anytime.
Choose Gemini CLI if you are developers who want frontier-agent capability with huge context at zero cost. Choose Windsurf if you are developers who want an affordable AI editor with agentic capabilities.
In our editorial scoring, Windsurf leads in 2 of six categories (autonomy and ease of use), while Gemini CLI leads in 1 (value). On price, Gemini CLI runs generous free tier / gemini api and is open source; Windsurf runs free tier / $15-30/mo and is proprietary.
Gemini CLI is Google's open-source AI agent for the terminal. Its standout traits are a 1M-token context window that can hold entire codebases and a free tier generous enough for real daily work with just a personal Google account. It supports MCP servers, Google Search grounding, and shell command execution in an agentic loop.
Windsurf (formerly Codeium) is an AI-first code editor featuring Cascade — an agentic flow that can handle multi-file, multi-step coding tasks. It combines the familiarity of VS Code with powerful AI capabilities including code generation, refactoring, and terminal integration.
Every agent on this page runs on Standard Compute