Codeium is a free AI-powered coding assistant that offers features similar to GitHub Copilot, including code completions, support for multiple programming languages, IDE integrations, and data encryption. It provides limitless code completions, chatbots for AI suggestions, and intelligent searches within IDEs. Unlike Copilot, it is free for individual users and offers enhanced functionalities and security compliance (SOC 2 Type II). It supports over 70 programming languages and offers various installation methods, including browser-based playground and IDE extensions.