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Frontier lab field notes

Know the loop.
Practice the work.

Detailed, source-grounded guides to the interview processes at four frontier AI labs. Official facts stay separate from candidate reports and informed inference.

  • Process maps with confidence labels
  • Role-specific preparation
  • A focused final 48-hour plan

Issue 01—04

Four labs. Four different evidence maps.

01

Official sequence available

The OpenAI interview process

A stage-by-stage guide to the published OpenAI loop, what technical interviewers say they assess, and how to spend the final 48 hours.
8 min readReviewed July 29, 2026Read the guide
02

Official format · stage count varies

The Anthropic interview process

What Anthropic officially says about remote interviews, live technical work, non-technical conversations, and responsible AI use during hiring.
8 min readReviewed July 29, 2026Read the guide
03

Public map: partial

The Thinking Machines Lab interview process

A careful reconstruction from current role applications and company materials—without pretending a public, company-wide loop exists.
9 min readReviewed July 29, 2026Read the guide
04

Role-shaped by design

The Physical Intelligence interview process

Why the loop is best understood as role-shaped—and how controls, software, research, and hands-on robotics candidates should prepare differently.
9 min readReviewed July 29, 2026Read the guide

Our evidence rule

No invented certainty.

First-party hiring guides and current role postings anchor each article. Where a lab does not publish a universal process, the guide says so—and marks every reconstructed stage as inference or directional guidance.

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