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About Codeium
Codeium is a free AI code completion tool that also powers Windsurf, an AI-native IDE with the Cascade agent for multi-file editing and autonomous coding tasks. Codeium offers unlimited autocomplete for free across 70+ languages, with chat, refactoring, and code explanation features. Windsurf adds a full IDE experience with AI-driven terminal access and autonomous coding workflows.
Updated 6/24/2026
Key Features
- Unlimited Autocomplete — Free AI code completion across 70+ programming languages with no usage limits
- Windsurf IDE — AI-native IDE with Cascade agent for multi-file editing and autonomous coding
- Cascade Agent — AI agent that understands your codebase and makes multi-file changes autonomously
- Code Chat — Natural language chat with AI that has full context of your project
- Refactoring — AI-powered code refactoring with explanations and previews
- Code Explanation — AI explains what any code does in natural language
- IDE Integration — Works with VS Code, JetBrains, Neovim, and all major editors
- Terminal Access — AI can read and understand terminal output for debugging assistance
- Pro Plan — Faster models, more Cascade flows, priority support at $15/month
- Enterprise — Custom deployment, private models, API access, dedicated support
Pricing Structure
- Free — $0/month — Unlimited autocomplete, code chat, refactoring, all IDEs, 70+ languages.
- Pro — $15/month — Faster AI models, more Cascade flows, priority support, enhanced features.
- Teams — $30/user/month — Everything in Pro plus team collaboration, shared context, admin controls.
- Enterprise — Custom — Private deployment, custom models, API access, dedicated support, SLA.
Why People Use It
Codeium offers the most generous free tier of any AI coding assistant — unlimited autocomplete across 70+ languages with no usage limits. Its Windsurf IDE and Cascade agent push beyond simple autocomplete into autonomous multi-file editing, making it the best free option for developers who want AI to do more than just complete lines. For teams that need more, the Pro plan at $15/month is significantly cheaper than Cursor or GitHub Copilot.
See Codeium in Action
