Tv stick for youtub and twitch?

Good day I have a monitor lying around I want to use as a television watch for Twitch and YouTube videos you can propose me as good TV sticks where I have to pay only once and do not have to complete monthly abbo to what to look like yt and twitch

N Raspberry pi would be a good option

https://www.ionos.de/digitalguide/online-marketing/verkaufen-im-internet/tv-sticks-im-vergleich-schnelles-streaming-per-stick/