# Introducing Shieldstral.

DevFeed: [Introducing Shieldstral.](<https://devfeed.tech/articles/introducing-shieldstral-7122.md>)

Original publisher: [Read original article](<https://mistral.ai/news/shieldstral/>)

Published: 2026-08-04T12:00:26Z

Content type: news

Language: en

Sources: [Mistral AI Blog](<https://devfeed.tech/sources/mistral-ai-blog.md>)

Topics: [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>), [Inference](<https://devfeed.tech/topics/inference.md>), [GPU](<https://devfeed.tech/topics/gpu.md>), [Nvidia](<https://devfeed.tech/topics/nvidia.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [apache](<https://devfeed.tech/tags/apache.md>), [evaluation](<https://devfeed.tech/tags/evaluation.md>), [gpu](<https://devfeed.tech/tags/gpu.md>), [inference](<https://devfeed.tech/tags/inference.md>), [model](<https://devfeed.tech/tags/model.md>), [models](<https://devfeed.tech/tags/models.md>), [multimodal](<https://devfeed.tech/tags/multimodal.md>), [nvidia](<https://devfeed.tech/tags/nvidia.md>), [open](<https://devfeed.tech/tags/open.md>), [safety](<https://devfeed.tech/tags/safety.md>)

## AI overview

Shieldstral is a 3B open-weights multimodal safety classifier that evaluates text and images using plain-language policies supplied at inference time. The article describes its policy-adaptive question-answering design, calibrated safety scores, benchmark performance, and Apache 2.0 release.

## Source excerpt

Shieldstral introduces a 3B open-weights multimodal safety classifier that outperforms models up to 7x its size.