# Hidden Messages Between Diffusion Language Model Agents: Causal Evidence for Latent Communication > Source: > Published: 2026-10-22 16:00:17+00:00 Diffusion language models form answers through a sequence of revisable continuous states, but multi-agent systems usually discard those states and make agents communicate only after decoding text. We ask whether one independent diffusion trajectory can pass a compact hidden message into another and,