It uses your phones local translation tool.

It leverages Apple's iOS Translation API and Google ML Kit on Android for seamless text translation.

github.com/bluesky-social/social-app/pull/9930
2
0
8
Is it possible to select a different translator, such as DeepL?
1
0
0
no. because it uses your local device to translate, not a random 3rd-party translation provider
0
0
0