ToolACE-R: Tool Learning with Adaptive Self-Refinement

• URL: http://arxiv.org/abs/2504.01400v1
• Date: Wed, 02 Apr 2025 06:38:56 GMT
• Title: ToolACE-R: Tool Learning with Adaptive Self-Refinement
• Authors: Xingshan Zeng, Weiwen Liu, Xu Huang, Zezhong Wang, Lingzhi Wang, Liangyou Li, Yasheng Wang, Lifeng Shang, Xin Jiang, Ruiming Tang, Qun Liu,
• Abstract summary: Tool learning allows Large Language Models to leverage external tools for solving complex user tasks.<n>We propose ToolACE-R, a novel method that introduces adaptive self-refinement for tool invocations.<n>Our results demonstrate the effectiveness of the proposed method, which is compatible with base models of various sizes.
• Score: 84.69651852838794
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Tool learning, which allows Large Language Models (LLMs) to leverage external tools for solving complex user tasks, has emerged as a promising avenue for extending model capabilities. However, current approaches primarily focus on data synthesis for fine-tuning LLMs to invoke tools effectively, largely ignoring how to fully stimulate the potential of the model. In this paper, we propose ToolACE-R, a novel method that introduces adaptive self-refinement for tool invocations. Our approach features a model-aware iterative training procedure that progressively incorporates more training samples based on the model's evolving capabilities. Additionally, it allows LLMs to iteratively refine their tool calls, optimizing performance without requiring external feedback. To further enhance computational efficiency, we integrate an adaptive mechanism when scaling the inference time, enabling the model to autonomously determine when to stop the refinement process. We conduct extensive experiments across several benchmark datasets, showing that ToolACE-R achieves competitive performance compared to advanced API-based models, even without any refinement. Furthermore, its performance can be further improved efficiently through adaptive self-refinement. Our results demonstrate the effectiveness of the proposed method, which is compatible with base models of various sizes, offering a promising direction for more efficient tool learning.

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