Slack says that letting people do a code review as a take-home gives a similar or maybe even better signal when hiring.

“[…] we also wanted to know that these folks were good teammates — that they were concerned with maintainability and documentation, and that they could express themselves with empathy and a mindset towards collective learning.”

https://slack.engineering/refactoring-backend-engineering-hiring-at-slack-b53b1e0e7a3c