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Free monthly design challenge

Design real systems.
Get reviewed by your peers.

Every month we drop one meaty system-design prompt. Submit your design, review what everyone else built, and sharpen how you think. No subscription required.

This month’s challenge
Design a Model Access Allocation System

You are the CTO of a fast-growing AI company that ships a new flagship model every two weeks. Demand dwarfs your compute. Decide who gets access, when, and how much.

1
Submit your design

Tackle the prompt and upload your system design as a PDF.

2
Review others

Score peers’ designs on a shared rubric and leave feedback.

3
Discuss & learn

Compare approaches and see how everyone else solved it.