kmseong/qwen2_5_32b_instruct_gsm8k_full_finetune_after_ssft_lr5e-5

TEXT GENERATIONConcurrent Unit Cost:2Model Size:32.8BQuant:FP8Context Size:32kTool Calling:SupportedPublished:Jun 26, 2026License:apache-2.0Architecture:Transformer Open Weights Featherless Exclusive Cold

The kmseong/qwen2_5_32b_instruct_gsm8k_full_finetune_after_ssft_lr5e-5 is a 32.8 billion parameter instruction-tuned language model, based on the Llama-3.2-3B-Instruct architecture. It has been fine-tuned using the Safety Neuron Tuning (SN-Tune) method to enhance safety alignment. This model selectively fine-tunes only safety-critical neurons on safety data, aiming to improve safety while preserving general capabilities.

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Model Overview

This model, kmseong/qwen2_5_32b_instruct_gsm8k_full_finetune_after_ssft_lr5e-5, is a specialized version of the meta-llama/Llama-3.2-3B-Instruct base model. It features 32.8 billion parameters and a context length of 32768 tokens.

Key Capabilities & Differentiators

  • Safety Neuron Tuning (SN-Tune): This model utilizes a unique fine-tuning approach where only a small set of "safety neurons" are identified and fine-tuned on safety alignment data (Circuit Breakers dataset). All other parameters remain frozen.
  • Enhanced Safety Alignment: The primary goal of SN-Tune is to significantly improve the model's safety characteristics compared to its base model.
  • Parameter-Efficient Fine-tuning: By selectively fine-tuning only critical neurons, the SN-Tune method aims to achieve safety improvements with minimal computational overhead and without compromising the model's general capabilities.

Ideal Use Cases

This model is particularly well-suited for applications where:

  • Robust safety alignment is paramount: Users require a model with improved resistance to generating unsafe or undesirable content.
  • Maintaining general instruction-following abilities is important: The SN-Tune method is designed to enhance safety without degrading the model's broader performance.
  • Efficient fine-tuning is a consideration: The selective tuning approach offers a resource-effective way to achieve safety improvements.