MISTRAL

Mistral Shieldstral: A 3B Open-Weight Policy-Adaptive Moderation Model That Beats Models 7x Its Size

Shieldstral is a 3B-parameter Apache 2.0 multimodal safety classifier that takes your moderation policy as a plain-language question at inference time, scores content 0-1 in a single forward pass, and runs on one 16GB GPU. It beats 12B-20B guard models on text safety and sets state of the art on multimodal benchmarks.