4-Hour Take-Home Project (Twitter Insight Platform and Other Prompts)

Take-HomexAILast reported January 2026High Frequency
Reported
10× across candidate reports
First seen
November 2025
Last reported
January 2026
Reported outcome
mixed

Problem Overview

xAI's take-home is a four-hour project you build from scratch and hand in as a repo plus a demo video. Ten candidates report it between November 2025 and January 2026, and every report that names a role is on xAI's Exceptional Engineer track (software or AI, including one junior opening).…

  • The rest of the problem statement — full requirements, constraints, and edge cases
  • Approach and trade-offs — what passing candidates did, and the mistakes that sink people
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