Tiny 4B model drives a delivery car: one decision per junction, no 500-token monologue

MaziyarPanahi · x · 2026-09-26

MaziyarPanahi demonstrated a small experiment: he gave NeoHorse-Jev-4B a tiny delivery car. At each junction the model receives road state and valid turns, then outputs a single choice (north → east → north), and the parcel gets delivered.

His point: System 1-style models are coming for the "what next?" step in agents — decide, act, repeat, without a 500-token driving monologue.

Related event: 4B Model Drives Mini Delivery Cart with Instant Intersection Decisions(2 posts)→

Original post →

More from coding & agent

coding & agent channel →