Now in private beta · Free during beta
The Arena
Pick a challenge. Solve it with your AI tools. Get scored across 6 cognitive dimensions and climb the leaderboard. Win bounties. Get discovered by companies.
Open challenges
AI Steering $500
The Conflicting Stakeholder
Resolve two contradictory PRDs before writing code.
senior412 solves · top 94
Security $750
The Adversarial Codebase
Add RBAC to a repo hiding 3 subtle security bugs.
senior287 solves · top 91
Architecture
The Scope Creep Gauntlet
Build a URL shortener as requirements mutate every 10 min.
mid538 solves · top 88
Debugging $1000
The Production Incident
2am payment outage. Find the one real root cause among 3.
staff196 solves · top 96
Refactoring $1200
The 10k-Line Refactor
Steer the AI through a legacy migration without breaking prod.
staff154 solves · top 93
Product Sense
The Vague Ticket
"Make search better." Clarify, decompose, ship.
mid621 solves · top 87