Depends what entertaining the thought means, I guess. If it means just thinking about drinking, as a passing thought that you don't pay attention to, the old addict voice whispering in your ear, then yes, I think there's quite a difference. If it means you're on the cusp of caving in to a strong urge to drink, then maybe not. I still rarely get the old addict voice whisperings at almost 6 years in, but it's a once a year thing, always in response to some new environment I haven't dealt with yet in sobriety, and I fully expect to get occasional thoughts like that for the rest of my life. But that's not a craving, which I've certainly had in the past, it's just a passing thought.