Direct quote on being asked if Pickett will be the starting QB entering the offseason:
"He [Pickett] will, but there will be competition. There's obviously always competition in this thing. We don't anoint anyone. Man, I'm appreciative of his efforts and where he is, and excited about continuing to work with. But certainly he will be challenged from a competition perspective moving forward. Competition brings the best out in all of us."
I tried to find video of it just to check how the wording marries up, but that's the words from Steelers' Depot.
You can give that quote some wriggle room either side to me, but it is firm that Pickett is the starting QB now. The offseason could get wild, but I feel like most times the Steelers telegraph their offseason early.
And it all comes down, imo, to what you think that competition stuff means. Me personally, given how Tomlin generally speaks of competition and how he's ran competition in the past, don't think it means much. I don't think there's going to be a QB competition unless Pickett starts one during camp by getting thoroughly outplayed. But that's just a guess.