lihaoxin2020/qwen3-4b-refiner-gpt54-rubric-v3-2-rl-lr5e-6-step50

TEXT GENERATIONConcurrency Cost:1Model Size:4BQuant:BF16Ctx Length:32kPublished:Apr 21, 2026Architecture:Transformer Cold

The lihaoxin2020/qwen3-4b-refiner-gpt54-rubric-v3-2-rl-lr5e-6-step50 model is a 4 billion parameter Qwen3-based language model. It is a GRPO checkpoint, specifically a refiner model, trained from lihaoxin2020/qwen3-4b-refiner-gpt54-ep2. This model is designed for refinement tasks, leveraging its 32768 token context length to process and improve text based on a GPT-54 rubric.

Loading preview...

Model Overview

This model, lihaoxin2020/qwen3-4b-refiner-gpt54-rubric-v3-2-rl-lr5e-6-step50, is a 4 billion parameter language model built upon the Qwen3 architecture. It functions as a refiner, having been trained as a GRPO (Generalized Reinforcement Learning from Human Feedback with Policy Optimization) checkpoint. The training process initiated from lihaoxin2020/qwen3-4b-refiner-gpt54-ep2, indicating a specialized fine-tuning approach.

Key Characteristics

  • Architecture: Qwen3-based, 4 billion parameters.
  • Training Method: GRPO checkpoint, suggesting a reinforcement learning approach for refinement.
  • Origin: Derived from lihaoxin2020/qwen3-4b-refiner-gpt54-ep2.
  • Context Length: Features a substantial 32768 token context window, enabling processing of longer inputs for refinement tasks.

Potential Use Cases

  • Text Refinement: Ideal for tasks requiring iterative improvement or correction of text based on specific criteria.
  • Quality Enhancement: Can be applied to enhance the quality of generated or existing text by aligning it with a predefined rubric (e.g., GPT-54 rubric).
  • Post-processing: Suitable for post-processing outputs from other language models to meet higher standards or specific stylistic requirements.