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AlgoArena
Product
Builder
Build apps, tools, and games with AI, then inspect, test, and keep the code.
Practice and compete
Solo practice, ranked 1v1, Puzzle Rush, and guided fundamentals.
Vibecoding Courses
Guided projects for learning to direct AI and to inspect and improve what it builds.
Classroom
Live CS sessions with coding, AI controls, and evidence-rich debriefs.
Assessments (OA)
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Evidence-linked technical assessments. Access is currently by waitlist only.
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Nov 11, 2025
·
Product
Launch Notes: Ranked Duels and Real Practice
Eli Young
3 min
Build skill people can inspect.
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