Does anyone know how many times failed logins Gmail tolerates? Do they use brute force or just manual guessing? If they limit them to a few failed logins a day

Does anyone know how many times failed logins Gmail tolerates? Do they use brute force or just manual guessing? If they limit them to a few failed logins a day or hour and show you the failed logins it's hard to guess even if you have it jeff(3-4numbers)