Codeium (Now Windsurf)
✓Free AI code completion - Note: Rebranded to Windsurf in April 2025
VS Code Extension
**Note: Codeium has been rebranded to Windsurf (April 2025) and was subsequently acquired by Cognition AI (July 2025). See our Windsurf listing for the latest information.** Codeium was a free AI-powered code completion tool that offered unlimited completions for individual developers. Supporting 70+ programming languages and 40+ IDEs, it provided fast, accurate AI suggestions powered by in-house models. The product has evolved into Windsurf, which includes the Cascade agentic chat feature and support for frontier models like Claude Opus 4.5, Gemini 3 Pro, and GPT-5.1.
Freemium
Key Features:
- •Unlimited code completions (free tier)
- •70+ programming languages supported
- •40+ IDE integrations
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