26 is insane. It just doesn't work that way anymore.
Having said that - yeah, 10 is a tight story, but every time I get to the end of Game of Thrones I think 'It's over already?". 13 is a good number. Or even 15 or so, if the story would benefit from it.
In the end, of course, every show is different. Maybe this show really will be better at 10 than 13. It's hard to even guess based on how little we know right now.
Having said that - yeah, 10 is a tight story, but every time I get to the end of Game of Thrones I think 'It's over already?". 13 is a good number. Or even 15 or so, if the story would benefit from it.
In the end, of course, every show is different. Maybe this show really will be better at 10 than 13. It's hard to even guess based on how little we know right now.