Ready to Start?
BetaPractice with Tim, your AI interviewer. Get real-time feedback on your system design skills.
Voice Chat
Use voice or text to communicate
30-Min Max
Limited by OpenAI's real-time API
Live Feedback
Get instant signals on your approach
Whiteboard
Sketch your design ideas
Quick Heads Up:
- • Find a quiet space (for voice chat)
- • This is beta - expect some rough edges
- • Browser needs mic access