When did you last try Tor? The DDoS [0] has ended and it's now pretty fast again. I'm watching a 4k youtube video over Tor right now. Also the next version implements traffic splitting [1] which should improve performance even more.

[0]: https://status.torproject.org/issues/2022-06-09-network-ddos...

[0]: https://gitlab.torproject.org/tpo/core/torspec/-/blob/main/p...