QuietImpostor/Gemma-3-4b-it-Opusfied

VISIONConcurrency Cost:1Model Size:4.3BQuant:BF16Ctx Length:32kPublished:Feb 18, 2026License:gemmaArchitecture:Transformer0.0K Cold

QuietImpostor/Gemma-3-4b-it-Opusfied is a 4.24 billion parameter full fine-tune of Google's Gemma 3 4B IT model, specifically optimized for voice emulation and writing style transfer. It maintains strong long-context reasoning capabilities with a 12,288-token context window, achieved through training with the Muon optimizer. This model excels at generating text in specific styles while retaining its base model's logical and mathematical reasoning.

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Model Overview

QuietImpostor/Gemma-3-4b-it-Opusfied is a 4.24 billion parameter full fine-tune of Google's Gemma 3 4B IT. Unlike standard LoRA adapters, this model underwent a native weight fine-tune, updating all parameters to achieve its specialized capabilities. It was trained using the Muon optimizer on a single NVIDIA A100 80GB GPU, enabling effective convergence of dense layers within a 12,288-token context window.

Key Capabilities

  • Voice and Style Emulation: Optimized for transferring specific writing styles and emulating distinct conversational voices.
  • Long-Context Reasoning: Maintains robust reasoning capabilities over a 12,288-token context window.
  • Full Fine-Tune: All model parameters were updated during training, leading to deeper integration of its specialized characteristics.
  • Efficient Training: Utilizes the Muon optimizer and Flash Attention 2 for efficient training with a sequence length of 16,384.

Training Details

The model was trained on a curated mix of datasets to balance capability retention and style injection:

  • crownelius/Opus4.6-No-Reasoning-260x: Provided core voice and conversational style data.
  • crownelius/Opus-4.5-WritingStyle-1000x: Focused on prose and structural writing nuances.
  • crownelius/GLM-5.0-8000x: Contributed to logic, math, and Chain-of-Thought reasoning capabilities.

Ideal Use Cases

This model is particularly well-suited for applications requiring:

  • Generating text that adheres to a specific stylistic or tonal requirement.
  • Creative writing tasks where voice and prose style are critical.
  • Conversational agents needing to adopt a distinct persona or speaking style.
  • Tasks benefiting from long-context understanding combined with stylistic control.