A token is approximately 4 characters. So, four characters per 8 minutes is pretty slow. This comment would take 1224 minutes to generate, if I was an AI.
Usually you want tokens per second, not seconds per token. So it's a bad sign.
Using which model ? On a pretty mid range i5 11th gen I'm getting 0.35 token/s, using the 7B model. Haven't tried the bigger models.