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Anthropic's Hiring Test Kept Getting Beaten by Their Own AI — So They Switched to Video Game Puzzles
Anthropic's hiring test for engineers was repeatedly beaten by new Claude models (Opus 4, 4.5). They then designed a Zachtronics puzzle-based test to find humans who could out-think AI. The original test is now open-sourced: beat Opus 4.5, get hired.