Ten-Tails can be Ten-Tails only when Gedo Mazo is the vessel for all tailed beasts' chakra. Sasuke used Susanoo as a vessel instead, so it's not Ten-Tails, but, as stated, Susanoo filled with all TB chakra.
P.S. There's a Naruto questions wiki for such questions.
The only issue with that is that by the same logic, Hagoromo wasn't the TT jinchuuriki then. Unless it is the TT when all the chakras are merged and sealed within one's body, but when it's the Sususanoo, it ain't.... it's messy.
Well, the issue of Hagoromo as TTJ and Gedo Mazo has always been problematic due to numerious retcons of Ten-Tails sealing and the creation of the Moon, so there's no safe ground with it.
The chakra Sasuke absorbed was just regular chakra, like how Kurama gave Kakashi chakra. It doesn't have a will or power of it's own, therefore it's not the juubi. Otherwise it would've reincarnated at some point and it didn't.
So no, even though what Sasuke did was do something akin to make a Juubi (as Kurama even specifically references this), it's not the actual juubi because it has no will/spirit/essence/ whatever makes a biju more than a mass of chakra.
Elveonora wrote: The only issue with that is that by the same logic, Hagoromo wasn't the TT jinchuuriki then. Unless it is the TT when all the chakras are merged and sealed within one's body, but when it's the Sususanoo, it ain't.... it's messy.
When Kurama was split, each half was still called Kurama or the nine tails. Meaning, if the Juubi were split, each half would likely still be called the Juubi. Gedo statue was named by Madara, not Hagoromo after all (and since both halves had individual minds, Yin and Yang Kurama could've been called Bob and Steve just as much). So to some degree, that naming is artificial.
I mean one would think that the Gedo Mazo's main purpose is to contain the ten-tails's power in one place. We know that the Mazo in its depowered form is still ridiculously powerful, but not perfect susanoo level of power. So for instance if Sasuke managed to use his Susanoo as a vesel for the TT chakra the same way the Gedo Mezo does it, technically one would think that Sasuke's Indra Susanoo was above the Ten-Tails in terms of power. But probably the Gedo Mazo and the TT chakra have a special relationship and only by having the 2 together you can reach the power of the TT.