Shieldstral’s 3B open‑weights safety model outperforms 7x larger rivals
Mistral released Shieldstral, a 3 billion‑parameter open‑weights multimodal safety classifier that matches or exceeds the performance of models up to seven times its size. It takes plain‑language policies at inference, delivering calibrated safety scores for text and images without any retraining, letting product teams adapt moderation on the fly.