Experts discuss Fable as the first true "theory-builder" model

davidad · x · 2026-08-22

In a discussion, it was suggested that Fable is the first and so far only model that is a true "theory-builder," whereas the GPT family are "problem-solvers," explaining their performance on conjectures. David Ackerman endorsed this take, noting that Fable represents a phase transition in being able to build an edifice of theory that keeps working as it grows instead of collapsing.

Related event: Fable 5 Praised for Postdoc-Level Math, Still Lacks Originality(7 posts)→

Original post →

More from Models

Models channel →