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Vision-Language-Action Models for Driving

Examining the architecture of VLA models like Alpamayo-R1 and their application in autonomous vehicle decision-making.

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Architecture: Alpamayo-R1

Alpamayo-R1 is a pioneering open-source VLA designed specifically for self-driving.

Key Components#

Visual Encoder#

A Vision Transformer (ViT) that processes camera feeds into embeddings.

LLM Backbone#

A language model that takes these visual embeddings as "tokens" alongside text prompts.

Action Head#

A specialized output layer that decodes the LLM's internal state into vehicle control parameters.

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