Frontier AI models: Claude 3.5 Sonnet and Haiku with superior reasoning and coding.

The AI Code Editor: built on VS Code with multi-file edits and codebase indexing.

Develop fluency in 70+ programming languages with code practice and human mentoring.

Learn to code for free with interactive coding challenges and verified certifications.

Your AI pair programmer: real-time code suggestions and chat in your IDE.

A better way to prepare for coding interviews with structured Blind 75 roadmaps.

The HTML5 Creation Engine: create beautiful 2D digital content with fastest WebGL renderer.