arxiv:2605.00932

Code World Model Preparedness Report

Published on May 1

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Abstract

The Code World Model demonstrates no additional frontier risks beyond current AI ecosystem concerns, leading to its release as an open-weight model.

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This report documents the preparedness assessment of Code World Model (CWM), a model for code generation and reasoning about code from Meta. We conducted pre-release testing across domains identified in our Frontier AI Framework as potentially presenting catastrophic risks, and also evaluated the model's misaligned propensities. Our assessment found that CWM does not pose additional frontier risks beyond those present in the current AI ecosystem. We therefore release it as an open-weight model.

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