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Shieldstral — Define safety at runtime for text and images

mistral.ai

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What it does

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

Two ratings

The AI review score

Exceptional technical documentation and precise developer positioning. Editorial QA failures and excessive page weights.

13 dimensions

Reviewed on Aug 28, 2026

Why this score? →

Screenshots

Captured during our latest review on Aug 28, 2026

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Key features

  • Multimodal safety classification

    safety-classification

    Classifies safety risks across text and image inputs using a 3B parameter open-weights model.

View source

Integrations

  • Gmail

  • Google Drive

  • SharePoint

  • Slack

Buyer questions

Questions buyers actually ask

What is Shieldstral?

Shieldstral is a runtime safety layer developed by Mistral AI designed to define and enforce safety protocols for both text and image data during AI model execution.

How much does Shieldstral cost?

The service operates on a freemium model, with pricing for paid tiers starting at $24.99/user/mo.

Is the Mistral AI website accessible?

The site scores 78/100 for accessibility. While it uses semantic landmarks, it currently suffers from systemic color contrast issues and lacks keyboard navigation shortcuts like skip links.

How is the documentation for developers?

The documentation is exceptional, scoring 94/100. It utilizes the Diátaxis framework and includes a library of "Cookbooks" to assist with task-oriented implementation.

Are there any performance concerns?

While the Largest Contentful Paint (LCP) is a healthy 1.5s, the homepage has a heavy total weight of 5.4MB, which may impact users on slower connections.

Answers are based on SiteList's latest evidence review. Read the full review.

The expert review

Mistral AI earns a strong 81/100 for Shieldstral, distinguished by exceptional technical documentation and precise developer positioning. While the platform offers enterprise-grade infrastructure, it is currently hampered by editorial QA failures and excessive page weights.

81/100: high-tier technical foundation, minor editorial polish needed

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Scores across 13 dimensions

Domain
mistral.ai
Category
Infrastructure & hosting
Pricing
Freemium · $14.99/mo
Platforms
web, api
Founded
2023
Last checked
Aug 28, 2026
Dimensions reviewed
34

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