Know the company
Live company intel, beside every loop.
Funding, headcount and every open engineering role, pulled from each company's own job board every day. Know where to apply before you prep.
Updated daily · reports through Oct 2026
Get hired by the top AI labs.
In weeks, not months.
Skip six months of LeetCode. Learn only what 60 top AI companies actually ask.
Free to start.
Asked at the labsSystem design · Coding
Design a real-time trivia battle royale with live spectatorsOpenAI · System design · Oct 2026
Design an AI prompt playgroundAnthropic · AI system · Oct 2026
How data collection shapes model performancexAI · ML design · Sep 2026
Design a top-K popular items systemPerplexity · System design · Possibly retired
Detect security attacks in text logsFireworks AI · Coding · Oct 2026
Diagnose a slow Linux server: CPU, disk, network and logsTogether AI · Coding · Sep 2026Questions, loops and jobs for 60 top AI companies
One system, start to offer
Weeks, not months.
Only what your loop asks.
- 01
Pick your labs
A curated list of the top AI labs, each with its interview loop, open roles and funding.
- 02
Learn what they ask
Not two thousand LeetCode problems: the small pool of questions each round actually asks, dated from real interviews.
- 03
Remix the best answers
Curated answers, and answers from engineers at top AI labs and FAANG and from people who got the offer.
- 04
Mint your own with AI
Claude grades every part at your level, asks the follow-ups and digs into the deep dives with you.
60
top AI companies and labs
480
questions with a worked answer, of 1,993 asked
3,399
open engineering roles, synced daily
Oct 2026
newest reported interview
The questions
The exact questions, round by round.
Dated from real interviews.
OpenAI
About · 398 engineering jobs
- 1Recruiter screen4 questions
- 2Technical screen: coding38 questions
- 3Technical screen: system design34 questions
- 4Onsite coding36 questions
- 5Onsite system design0 questions
- 6Project presentation1 question
- 7Behavioral3 questions
Remix the best answers
Start from answers that got offers.
Curated answers go chapter by chapter, with what interviewers expect at L4, L5 and L6 and system designs drawn step by step in Excalidraw. Remix it, or an answer from an engineer who got the offer, into your own copy.
Mint your own with AI
Make the answer yours, then defend it.
Write each part in your words. Claude grades it at your level, asks the follow-ups your interviewer will and researches the deep dives with you. Coding rounds run against real tests in your browser.
My prep
A plan that counts down to your onsite.
Set the company, the date and your level. It tells you the next question to work on and how far you are.