sergAIAI/Huihui-Qwen3.5-4B-abliterated

VISIONConcurrency Cost:1Model Size:4.5BQuant:BF16Ctx Length:32kTool Calling:SupportedPublished:Jun 16, 2026License:apache-2.0Architecture:Transformer Open Weights Cold

sergAIAI/Huihui-Qwen3.5-4B-abliterated is a 4.5 billion parameter instruction-tuned causal language model based on the Qwen3.5-4B architecture, developed by huihui-ai. This model has been fine-tuned to operate in a "non-think mode" with significantly reduced safety filtering, making it an uncensored version of its base model. It is primarily intended for research and experimental use in controlled environments where sensitive or controversial outputs may be generated.

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Overview

sergAIAI/Huihui-Qwen3.5-4B-abliterated is a 4.5 billion parameter language model derived from Qwen/Qwen3.5-4B, fine-tuned by huihui-ai using TRL. The primary differentiator of this model is its significantly reduced safety filtering, resulting in an uncensored version designed to operate in a "non-think mode" that may simplify thinking processes. It processes only text, not images.

Key Characteristics

  • Uncensored Output: Safety filtering has been substantially reduced, allowing for the generation of sensitive, controversial, or inappropriate content.
  • "Non-Think Mode": Fine-tuned with a dataset intended to simplify cognitive processing.
  • Compatibility: Usable with ollama (v0.17.7 or later) and llama.cpp for conversion, despite changes in weight names.

Usage Warnings & Recommendations

Due to its uncensored nature, this model carries several important warnings:

  • Risk of Sensitive Outputs: Users should exercise extreme caution and rigorously review all generated content.
  • Not for All Audiences: Outputs may be inappropriate for public settings, underage users, or applications requiring high security.
  • Legal & Ethical Responsibility: Users are solely responsible for ensuring compliance with local laws and ethical standards.
  • Research & Experimental Use: It is strongly recommended for research, testing, or controlled environments, not for production or public-facing commercial applications.
  • No Default Safety Guarantees: The model has not undergone rigorous safety optimization, and huihui.ai disclaims responsibility for consequences arising from its use.

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