When do separately-trained multimodal models provably converge? Good views

randall_balestr · x · 2026-10-30

Theorem statement from the thread: models trained apart on different modalities provably converge when their positive views are observations of one scene — two captions of a photo, two frames of a video, etc. With such good views, JEPAs on any number of modalities learn the same embedding up to a rotation, enabling a captioner that never saw images.

Related event: Platonic Representation Hypothesis Proved as Theorem with JEPAs; 109M Model Beats 72B LLM(12 posts)→

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