Google Translate is not as good as DeepL. That is a lack of understanding of English grammar. But spending $15/month on a fedi translation is a waste, to say the least.
@kotaro a couple of others I like that you could try (I mostly use then to translate between English and Japanese: - https://translate.kagi.com/ (requires a subscription to Kagi search, but that in itself is really really good, 100x better than Google search these days) - https://laratranslate.com