Very difficult as there were 3 rounds and they provided limited time frame to solve those. They also had system design round where they asked how to design chatgpt. Able to give my logic but it was not sufficient but the experience was great.

Round 1 - Phone screening Round 2 - one leetcode technical in google doc Round 3 - The onsight was a behavioral, 3 technical leetcode style questions. Behavioral was typical "what would you do in this situation" and the leetcode one's started easy and progressed to medium-hard.