Hey Celso, thnx for letting me know about the broken links. I have fixed them, so the article should point to correct links. I am also sharing the link just in case --

GPT: http://mohitmayank.com/a_lazy_data_science_guide/natural_language_processing/GPTs/

T5: http://mohitmayank.com/a_lazy_data_science_guide/natural_language_processing/T5/#t5-finetuning

Cheers.