akshayballal/Qwen3-4B-Instruct-2507-GRPO-merged

Hugging Face
TEXT GENERATIONConcurrency Cost:1Model Size:4BQuant:BF16Ctx Length:32kPublished:Jan 29, 2026License:apache-2.0Architecture:Transformer Open Weights Warm

akshayballal/Qwen3-4B-Instruct-2507-GRPO-merged is a 4 billion parameter instruction-tuned Qwen3 model developed by akshayballal. It was fine-tuned using Unsloth and Huggingface's TRL library, enabling 2x faster training. This model is designed for general instruction-following tasks, leveraging its efficient training methodology for practical applications.

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Overview

This model, akshayballal/Qwen3-4B-Instruct-2507-GRPO-merged, is a 4 billion parameter instruction-tuned variant of the Qwen3 architecture. Developed by akshayballal, it was fine-tuned from unsloth/qwen3-4b-instruct-2507-unsloth-bnb-4bit using a combination of Unsloth and Huggingface's TRL library. A key characteristic of this model's development is its optimized training process, which was reportedly 2x faster due to the use of Unsloth.

Key Capabilities

  • Instruction Following: Designed to respond effectively to a wide range of user instructions.
  • Efficient Training: Benefits from a fine-tuning process that leverages Unsloth for accelerated training.
  • Qwen3 Architecture: Built upon the robust Qwen3 foundation, providing a strong base for language understanding and generation.

Good For

  • Applications requiring a compact yet capable instruction-tuned model.
  • Scenarios where efficient fine-tuning methods are a priority.
  • General-purpose text generation and conversational AI tasks.