TL;DR: Codeium is a free AI code completion tool supporting 70+ programming languages and 40+ IDEs, offering fast inline suggestions, chat-based coding help, and intelligent search — all without requiring a credit card.
Official Website: Visit Codeium | Tool Page: Codeium details & alternatives
What is Codeium?
Codeium is an AI-powered code acceleration toolkit built for developers who want fast, accurate code completions without paying a subscription fee. Supporting over 70 programming languages and integrating with 40+ editors (VS Code, JetBrains, Neovim, Emacs, and more), Codeium provides real-time inline suggestions, a chat assistant for coding questions, and an intelligent code search engine. Its flagship product Windsurf (an AI-native IDE) takes the experience further with agentic coding capabilities.
Getting Started
Step 1: Install the Extension
- Visit Codeium and create a free account
- Install the Codeium extension for your preferred IDE
- Authenticate via the browser — setup takes under 2 minutes
Step 2: Code with AI Suggestions
- Start typing and Codeium suggests completions automatically
- Press
Tabto accept,Escto dismiss - Use
Alt+]andAlt+[to cycle through alternative suggestions - Open the chat panel for longer generation tasks or questions
Core Features
Inline Code Completion
- Single-line and multi-line completions
- Extremely low latency (typically under 300ms)
- Context-aware across open files in your workspace
- Fill-in-the-middle capability for inserting code between existing lines
Language and IDE Support
| Category | Details |
|---|---|
| Languages | 70+ including Python, JS/TS, Java, Go, Rust, C/C++, Ruby, PHP, Swift, Kotlin |
| IDEs | VS Code, JetBrains (IntelliJ, PyCharm, WebStorm), Neovim, Emacs, Eclipse, Sublime Text |
| Browsers | Chrome extension for coding in Jupyter, Colab, and web IDEs |
| AI IDE | Windsurf — Codeium's dedicated AI-native code editor |
Codeium Chat
- Explain selected code in natural language
- Generate functions from descriptions
- Refactor code with a single prompt
- Generate unit tests for highlighted code
- Fix bugs by pasting error messages
Intelligent Code Search
- Search your codebase using natural language queries
- Find functions by describing what they do, not their names
- Useful for navigating large, unfamiliar codebases
Tips for Best Results
- Write descriptive function names and comments — Codeium uses them heavily for context
- Keep multiple related files open to improve cross-file suggestion quality
- Use the chat for complex tasks and inline completions for routine code
- Try Windsurf if you want the deepest Codeium integration experience
Pricing
| Plan | Price | Features |
|---|---|---|
| Free (Individual) | $0 | Unlimited completions, chat, search |
| Pro | $12/month | Unlimited advanced model access, personalisation |
| Teams | $24/user/month | Admin controls, usage analytics, priority support |
| Enterprise | Custom | Self-hosted deployment, SSO, custom models |
Try Codeium
Ready for free AI code completion? Visit Codeium's official website to install the extension in 2 minutes, or view Codeium details, alternatives & reviews for ratings, alternatives, and user reviews.
FAQs
Is Codeium really free?
Yes. The Individual plan is free with unlimited code completions, chat, and search. No credit card required. Pro and Teams plans add advanced features.
How does Codeium compare to GitHub Copilot?
Codeium's free tier is unmatched — Copilot costs $10-19/month. Codeium supports more IDEs (40+ vs Copilot's 5-6). Copilot may have a slight edge in suggestion quality for some languages. For most developers, Codeium's free plan is more than sufficient.
Does Codeium train on my code?
No. Codeium explicitly states they do not train on user code. Enterprise customers can opt for self-hosted deployment for maximum control.
What is Windsurf?
Windsurf is Codeium's AI-native code editor — a standalone IDE built from the ground up around AI coding. It offers deeper agentic capabilities than the extension-based experience.
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Last updated: February 2026
