5 Best AI Coding Assistants in 2026: Cursor vs GitHub Copilot vs Codeium Compared
AI coding assistants in 2026 have evolved from simple autocomplete tools to sophisticated coding partners. The best AI coding assistants—Cursor, GitHub Copilot, Codeium, Windsurf, and Supermaven—now handle multi-file refactoring, understand entire codebases, and automate complex development workflows. When comparing Cursor vs GitHub Copilot vs Codeium, developers must evaluate AI code completion accuracy, context window size, and multi-file editing capabilities. GitHub Copilot leads with 20 million users and broad IDE support, while Cursor excels at project-wide context and agentic coding. Free AI coding tools like Codeium offer unlimited completions, making AI-assisted development accessible to every developer. ...