Behavioral: Achievements and Project Deep Dive

BehavioralOpenAILast reported August 2026Low Frequency
Reported
3× across candidate reports
First seen
May 2025
Last reported
August 2026
Reported outcome
mixed

Problem Overview

Select and present a significant project you have worked on, with a focus on personal ownership, technical depth, and measurable impact. Specific framings observed across companies include: (1) 'Pick a project for a deep dive' (Anthropic BQ round — distinct from the Tech Deep Dive round, so expect to use…

  • 5 candidate-reported follow-ups — the exact probes interviewers asked, with the trigger for each
  • 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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Verified Source
Every question is reconstructed from multiple independent candidate reports. Verbatim follow-ups, not invented ones.
Codex Fact-Checked
Technical claims, formulas, and scale numbers are reviewed against primary sources.
Interviewer Follow-ups
The exact follow-ups reported by candidates, with the trigger that prompts each one — plus the mistakes that sink people.
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