SeongryongJung/qwen3-4b-tooluse-grpo

TEXT GENERATIONConcurrent Unit Cost:1Model Size:4BQuant:BF16Context Size:32kTool Calling:SupportedPublished:Jul 2, 2026License:apache-2.0Architecture:Transformer Open Weights Featherless Exclusive Cold

SeongryongJung/qwen3-4b-tooluse-grpo is a 4 billion parameter language model fine-tuned from Qwen/Qwen3-4B. It utilizes the GRPO (Generalized Reinforcement Learning from Policy Optimization) method specifically on a 'tooluse' dataset. This model is optimized for tasks requiring tool interaction, demonstrating a validation performance of 61.31% on the 'val-aux/tooluse/reward/mean@16' metric. Its primary strength lies in its ability to effectively use external tools to complete tasks.

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Model Overview

SeongryongJung/qwen3-4b-tooluse-grpo is a 4 billion parameter language model, fine-tuned from the Qwen/Qwen3-4B base model. This model has been specifically optimized using the GRPO (Generalized Reinforcement Learning from Policy Optimization) method on a dedicated tooluse dataset.

Key Capabilities

  • Tool Use Optimization: The model is explicitly trained and fine-tuned for tasks that involve interacting with and utilizing external tools.
  • Performance Metrics: Achieved a peak validation performance of 61.31% on the val-aux/tooluse/reward/mean@16 metric during training, indicating its proficiency in tool-oriented scenarios.
  • GRPO Fine-tuning: Leverages GRPO for enhanced performance in tool-use contexts, suggesting improved decision-making and action selection when integrating with external functionalities.

When to Use This Model

This model is particularly well-suited for applications where an LLM needs to:

  • Interact with APIs or external systems: Ideal for scenarios requiring the model to call functions or use tools to retrieve information or perform actions.
  • Automate complex workflows: Can be integrated into systems that require an intelligent agent to break down tasks and execute them using available tools.
  • Develop agents for specific domains: Useful for creating AI agents that can leverage a predefined set of tools to solve problems within a given domain.