Features
Interactive coding lessons with step-by-step guidance
AI-powered hints, feedback, and code reviews
Career paths: Full-Stack, Front-End, Back-End, Python Development
Courses: HTML, CSS, JavaScript, TypeScript, React, Python, SQL, Swift
Real-world project building with portfolio creation
Certificates of completion and professional certificates
No ads (Pro and Max plans)
Monthly streak repair (Max plan)
Mobile app for iOS and Android
Web platform for desktop learning
AI coding tutor with contextual assistance (unlimited on Max)
Unlimited Playgrounds (Max plan)
Guided projects (Max plan)
Official LLM leaderboard and ranking
Battle Mode for side-by-side model comparison
Agent Mode for real-world agent evaluation
Multimodal Max for multimodal model testing
Code Arena with web development challenge categories
BullshitBench for nonsense detection evaluation
File upload for third-party AI processing
Public conversation sharing for community research
Leaderboard dataset publicly available
Monthly arena updates across product and research
Search functionality for models and conversations
Community voting on model responses
