inclusionAI/Sing-Guard-4b

VISIONConcurrency Cost:1Model Size:4BQuant:BF16Ctx Length:32kTool Calling:SupportedPublished:May 25, 2026License:apache-2.0Architecture:Transformer0.0K Open Weights Cold

Sing-Guard-4b by inclusionAI is a 4 billion parameter multimodal guardrail model with a 32768 token context length. It is designed for policy-adaptive safety assessment across text, image, image-text, and multilingual content. This model uniquely treats safety policies as runtime inputs, allowing dynamic evaluation against custom natural-language rules without retraining, and excels at unified multimodal moderation.

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SingGuard: Policy-Adaptive Multimodal LLM Guardrail

SingGuard is a 4 billion parameter multimodal guardrail model developed by inclusionAI, designed for comprehensive safety assessment across various content types. Unlike traditional guardrails, SingGuard treats the active safety policy as a runtime input, enabling deployment teams to evaluate content against default categories or custom natural-language rules without requiring model retraining. This allows for highly flexible and adaptive moderation in practical settings.

Key Capabilities

  • Unified Multimodal Moderation: Supports safety assessment for text, images, image-text combinations, and multilingual content, covering both query-side and response-side scenarios.
  • Dynamic Policy Adaptation: Accepts custom safety rules via a policy argument, allowing the model to judge content exclusively against the provided rules.
  • Strong Benchmark Performance: Achieves state-of-the-art average performance across six major benchmark categories, including multimodal, image-only, text query, text response, and multilingual safety.
  • Dynamic Reasoning Flow: Features a fast first-token routing for immediate safety signals, with deeper reasoning for more precise judgments when needed.

Good For

  • Content Moderation: Ideal for platforms requiring robust and adaptable moderation of user-generated content, model responses, and multimodal inputs.
  • Custom Safety Policies: Developers who need to implement specific or evolving safety guidelines without constant model retraining.
  • Multilingual Applications: Safeguarding content across diverse languages and modalities efficiently.