One interesting thing that makes @jietang's prediction believable is that GLM has an unusual pace in base model iterations, which is a bit obscured by versioning. GLM-4, 4.1, 4.5 are all different pretrains. I can see them milking 5th gen to Q4 2026 and making a jump.
“Won’t take that long” ~ Jietang
For GLM 5.2 to reach the Fable tier.
