Shieldstral

Shieldstral

Mistral AI
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About

Shieldstral is a 3B open-weights, policy-adaptive multimodal safety classifier designed to evaluate text, images, and text-plus-image content using policies defined at inference time. Instead of relying on a fixed taxonomy of harm categories, it frames moderation as a binary question-answering task: users provide an instruction describing the evaluation context and strictness, a yes-or-no safety question, and the content to judge. The model reads the “yes” and “no” logits and converts them into a continuous, calibrated safety score, allowing applications to threshold or rank results by confidence rather than depend on a single discrete label. This formulation unifies prompt classification, response moderation, refusal detection, toxicity detection, and multimodal safety in one interface, while letting teams adapt policies without retraining the model. Shieldstral can evaluate prompts, responses, prompt-response pairs, images, and images with accompanying text.

About

Tülu 3 is an advanced instruction-following language model developed by the Allen Institute for AI (Ai2), designed to enhance capabilities in areas such as knowledge, reasoning, mathematics, coding, and safety. Built upon the Llama 3 Base, Tülu 3 employs a comprehensive four-stage post-training process: meticulous prompt curation and synthesis, supervised fine-tuning on a diverse set of prompts and completions, preference tuning using both off- and on-policy data, and a novel reinforcement learning approach to bolster specific skills with verifiable rewards. This open-source model distinguishes itself by providing full transparency, including access to training data, code, and evaluation tools, thereby closing the performance gap between open and proprietary fine-tuning methods. Evaluations indicate that Tülu 3 outperforms other open-weight models of similar size, such as Llama 3.1-Instruct and Qwen2.5-Instruct, across various benchmarks.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

AI platform teams that need customizable, multimodal content moderation without retraining a separate safety model for every policy

Audience

Tülu 3 is designed for AI researchers, developers, and organizations seeking a high-performance, open-source language model for advanced reasoning, coding, and instruction-following tasks

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

Free
Open source
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Mistral AI
Founded: 2023
France
mistral.ai/news/shieldstral/

Company Information

Ai2
Founded: 2014
United States
allenai.org/tulu

Alternatives

Alternatives

Molmo

Molmo

Ai2
Olmo 3

Olmo 3

Ai2
Llama 2

Llama 2

Meta
Mistral 7B

Mistral 7B

Mistral AI
Qwen2.5-Max

Qwen2.5-Max

Alibaba

Categories

Categories

Integrations

Baseten
BuildThatIdea
C
C++
Elixir
F#
HTML
Java
JavaScript
Julia
Kotlin
Mistral AI
Python
R
Ruby
Rust
SQL
Scala
TypeScript
Visual Basic

Integrations

Baseten
BuildThatIdea
C
C++
Elixir
F#
HTML
Java
JavaScript
Julia
Kotlin
Mistral AI
Python
R
Ruby
Rust
SQL
Scala
TypeScript
Visual Basic
Claim Shieldstral and update features and information
Claim Shieldstral and update features and information
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Claim Tülu 3 and update features and information