David Chisnall (*Now with 50% more sarcasm!*)I think the Firefox translation models are downloaded on demand, the first time you request on-device translation from a specific language. Each language pair is about 60 MiB.
These are an amazing piece of engineering. They’re designed so that they can be trained on a single (powerful) desktop and they’re trained from corpora that are specifically built (and licensed) for improving machine translation.
All GNU social JP content and data are available under the