---
type: "Research"
title: "ToolLLM / ToolBench (2023)"
description: "16,000+ APIs; ToolLLaMA with a neural API retriever; DFSDT."
resource: "https://arxiv.org/abs/2307.16789"
tags: [benchmark, tool-use, retrieval, research]
generated: { by: human:crpage, at: 2026-07-09T09:44:00Z }
status: stable
sources: [{ id: primary, resource: "https://arxiv.org/abs/2307.16789" }]
---

Assembled 16,464 RapidAPI REST APIs and paired model fine-tuning with a **neural API retriever** and DFSDT search — scaling the tool space and generalising to unseen APIs, with RapidAPI dependence/instability.