Claude Code CLI vs Windsurf (Codeium): Which Is Better in 2026
I've spent the last three weeks stress-testing both tools on real projects—a 50,000-line TypeScript monorepo, a Python data pipeline with 40+ microservices, and a Go-based API gateway. Here's what I found.
The Quick Overview
Claude Code CLI is Anthropic's terminal-native coding agent. You install it with npm, point it at a repo, and give it natural-language commands. It's built on Claude 3.5 Sonnet (default) with Claude 4