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Shieldstral 1.0

ID shieldstral-1-0

MistralOpen weights only

First listed October 20, 2026

Shieldstral 1.0 is a preview Mistral model, released August 2026. It has a 32,000-token context window. It takes image input.

A compact multimodal moderation model for prompt moderation, response moderation, prompt-response pair classification, refusal detection, and safety filtering across text and image inputs. It uses natural-language policy questions and returns a yes or no classification.

Mistral's description
Status
Open weights only
Released August 2026
Shutdown
Not on the API
Nothing to shut down
Context window
32Ktokens
Output limit not published

Mistral publishes the weights of shieldstral-1-0 but doesn't serve it on its API, so there is no API shutdown to track. Get the weights on Hugging Face

Features

Compare models
FeatureValueSinceSource
Image inputImages such as screenshots, photos and charts can go in the prompt for the model to read.Supportedfirst seen October 20, 2026source
Context windowThe most the model can work with in one request, in tokens: your prompt, conversation history and files. A token is about three-quarters of an English word.32,000 tokensfirst seen October 20, 2026source

Not published by Mistral: Structured outputs, Function calling, Prompt caching, Batch API, PDF input, Reasoning / thinking, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs, Max output tokens.

Prices

No API prices: Mistral doesn't serve this model on its API. Run the weights yourself, or use a host that serves them.

Changelog

Changes we detected on Mistral's pages
  1. Feature listed

    shieldstral-1-0: Context window 32,000 tokens

    Info

  2. Feature listed

    shieldstral-1-0: Image input supported

    Info

  3. Added

    Mistral added shieldstral-1-0

    Info

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Last checked · Sources: Mistral models