Anthropic OA Questions [2026-2027]
9 OA problems reported by candidates who interviewed at Anthropic. Updated from 7 sources including LeetCode, 1P3A, Reddit, and more.
What to expect in the Anthropic OA
Online assessments (OAs) are typically the first technical screening step at Anthropic. Candidates receive a timed coding challenge (usually 60-90 minutes) with 2-3 algorithmic problems. The OA is graded automatically and determines whether you advance to phone screens or onsite rounds.
The 9 questions below are reported directly by candidates who have completed the Anthropic OA. Use them to understand the difficulty level, problem types, and topics the OA focuses on.
Anthropic OA questions (9 reported)
Recipe Manager (Online Assessment)...
Employee Management System (Online Assessment)...
In-memory Database (Online Assessment)...
Task Management System (Online Assessment)...
Anthropic Software Engineer Interview OA and Phone Screen...
Anthropic SDE Online Test Experience and C++ Interview Langu...
Other Anthropic interview rounds
Frequently asked questions
What does Anthropic ask in their Online Assessment (OA)?▼
How many OA rounds does Anthropic have?▼
How hard is the Anthropic OA?▼
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