Science Left Behind

Beginning of July, Meta AI published an outstanding work: No Language Left Behind (NLLB). Update (v2): The v2 of the NLLB paper is out on ArxiV. Meta AI’s reaction to my review was very quick and cordial (despite the salt and errors in my review…). Comparisons spBLEU-BLEU and chrf-chrf++ have been replaced. Now, for most tables in the automatic evaluation section, NLLB compares its own scores with