gustajunq/OpenFable-4B

TEXT GENERATIONConcurrency Cost:1Model Size:4BQuant:BF16Ctx Length:32kTool Calling:SupportedPublished:Jun 16, 2026License:apache-2.0Architecture:Transformer0.0K Open Weights Cold

OpenFable-4B is a 4 billion parameter language model developed by gustajunq, finetuned from a Qwen3 base model. This model was optimized for faster training using Unsloth and Huggingface's TRL library. It is designed for general language generation tasks, leveraging its efficient training methodology.

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OpenFable-4B: An Efficiently Trained Qwen3 Model

OpenFable-4B is a 4 billion parameter language model developed by gustajunq. It is a finetuned variant of the Qwen3 architecture, specifically built upon the unsloth/qwen3-4b-unsloth-bnb-4bit base model.

Key Characteristics

  • Efficient Training: This model was trained significantly faster, achieving a 2x speedup, by utilizing the Unsloth library in conjunction with Huggingface's TRL (Transformer Reinforcement Learning) library. This approach focuses on optimizing the training process for improved efficiency.
  • Qwen3 Architecture: Inherits the foundational capabilities and performance characteristics of the Qwen3 model family.

Use Cases

OpenFable-4B is suitable for a variety of general language generation and understanding tasks where a 4 billion parameter model is appropriate. Its efficient training process makes it an interesting candidate for developers looking for models that can be quickly adapted or deployed.