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Prompt-Driven Tool-Calling for Lightweight Open Source LLMs (AIS2C2 2025 Paper)

Researchers at AIS2C2 2025 presented a prompt-driven tool-calling framework enabling lightweight open-source LLMs to perform complex multi-step tasks, reducing reliance on large proprietary models and lowering compute requirements.

read1 min views1 publishedJun 19, 2026

Hi Hugging Face community

I’m excited to share my recent research work published at AIS2C2 2025.

Paper: Prompt-Driven Tool-Calling for Lightweight Open Source LLMs

This research explores how lightweight open-source LLMs can perform complex tasks using a prompt-driven tool-calling framework, without relying on large proprietary models.

Problem Statement

Most small LLMs struggle with:

- Multi-step reasoning
- Tool usage (APIs, calculators, search tools)
  • Complex task decomposition

Large models solve this, but they are expensive and not always deployable.

Proposed Idea

We introduce a prompt-driven approach that enables LLMs to:

  • Decide when to use tools
  • Select appropriate tools dynamically
  • Chain multiple reasoning steps
  • Reduce dependency on large models

Key Benefits

  • Works with lightweight open-source LLMs
  • Reduces compute requirements
- Enables AI agent-like behavior
- Practical for real-world deployment

Paper Link

https://www.aiscindia.co.in/wp-content/uploads/2026/06/ilovepdf_merged-4.pdf Looking for Feedback

I would love feedback from the community on:

  • Better tool-calling strategies

  • Improvements for lightweight agents

  • Open-source implementations Thank you!

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