https://gengo.com/pricing-languages/ - $0.06 - $0.12 per word or $15-30 per page.
https://www.gts-translation.com/translation-prices-per-word/ - $0.10 per word or $25 per page.
https://www.onehourtranslation.com/translation/benefits/tran... - $0.087 or $21.75.
It's certainly seems cheaper and Bitcoin fees seem relatively low right now (at least compared to the end of last year). However, I'm not sure it seems so significantly cheaper, especially weighing the 250-word one-size pricing.
Agreed that it's really cool, though.