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Mistral AI has released Shieldstral 1.0 3B, an open-weight multimodal safety classifier that adapts to policy inputs without retraining, achieving performance comparable to models 7 times its size.
NVIDIA's Cosmos framework tutorial demonstrates how to build a Colab-friendly, miniature version of Cosmos 3 world models using omnimodal Mixture-of-Transformers. The approach enables developers to experiment with multimodal prediction using synthetic data and shared cross-modal attention.
