The Evolving Nature of Latent Spaces: From GANs to Diffusion

• URL: http://arxiv.org/abs/2510.17383v2
• Date: Mon, 10 Nov 2025 10:23:35 GMT
• Title: The Evolving Nature of Latent Spaces: From GANs to Diffusion
• Authors: Ludovica Schaerf,
• Abstract summary: We show how diffusion models fragment the burden of representation and thereby challenge assumptions of unified internal space.<n>We argue for a reorientation of how generative AI is understood: not as a direct synthesis of content, but as an emergent configuration of specialized processes.
• Score: 2.9612444540570113
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This paper examines the evolving nature of internal representations in generative visual models, focusing on the conceptual and technical shift from GANs and VAEs to diffusion-based architectures. Drawing on Beatrice Fazi's account of synthesis as the amalgamation of distributed representations, we propose a distinction between "synthesis in a strict sense", where a compact latent space wholly determines the generative process, and "synthesis in a broad sense," which characterizes models whose representational labor is distributed across layers. Through close readings of model architectures and a targeted experimental setup that intervenes in layerwise representations, we show how diffusion models fragment the burden of representation and thereby challenge assumptions of unified internal space. By situating these findings within media theoretical frameworks and critically engaging with metaphors such as the latent space and the Platonic Representation Hypothesis, we argue for a reorientation of how generative AI is understood: not as a direct synthesis of content, but as an emergent configuration of specialized processes.

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