OpenAI Codex CLI vs Windsurf — Which AI Agent Is Better?
An in-depth comparison of OpenAI Codex CLI and Windsurf across output quality, autonomy, reliability, speed, value, and ease of use. Vote for your favorite.
An in-depth comparison of OpenAI Codex 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.
CodexWindsurfChoose OpenAI Codex CLI if you are chatGPT subscribers who want a capable terminal agent at no extra cost. Choose Windsurf if you are developers who want an affordable AI editor with agentic capabilities.
In our editorial scoring, OpenAI Codex CLI leads in 3 of six categories (output quality, autonomy and reliability), while Windsurf leads in 2 (speed and ease of use). On price, OpenAI Codex CLI runs included with chatgpt plans / api and is open source; Windsurf runs free tier / $15-30/mo and is proprietary.
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Weighing the cost of running it? Compare API plans for Codex
Codex CLI is OpenAI's open-source coding agent for the terminal. It edits files, runs commands in a sandbox with configurable approval modes, and can hand longer tasks off to Codex cloud to run in the background. Usage is included with ChatGPT Plus/Pro plans, making it the default choice for developers already in the OpenAI ecosystem.
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.
OpenAI Codex CLI runs on Standard Compute
