Iteration of Thought: Leveraging Inner Dialogue for Autonomous Large Language Model Reasoning

• URL: http://arxiv.org/abs/2409.12618v2
• Date: Tue, 1 Oct 2024 17:50:25 GMT
• Title: Iteration of Thought: Leveraging Inner Dialogue for Autonomous Large Language Model Reasoning
• Authors: Santosh Kumar Radha, Yasamin Nouri Jelyani, Ara Ghukasyan, Oktay Goktas,
• Abstract summary: Iterative human engagement is a common and effective means of leveraging the advanced language processing power of large language models (LLMs) We propose the Iteration of Thought (IoT) framework for enhancing LLM responses by generating "thought"-provoking prompts. Unlike static or semi-static approaches, IoT adapts its reasoning path dynamically, based on evolving context.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Iterative human engagement is a common and effective means of leveraging the advanced language processing power of large language models (LLMs). Using well-structured prompts in a conversational manner, human users can effectively influence an LLM to develop more thoughtful and accurate responses. Motivated by this insight, we propose the Iteration of Thought (IoT) framework for enhancing LLM responses by generating "thought"-provoking prompts vis a vis an input query and the current iteration of an LLM's response. Unlike static or semi-static approaches, e.g. Chain of Thought (CoT) or Tree of Thoughts (ToT), IoT adapts its reasoning path dynamically, based on evolving context, and without generating alternate explorative thoughts which are ultimately discarded. The three components of the IoT framework are (1) an Inner Dialogue Agent (IDA) responsible for generating instructive, context-specific prompts; (2) an LLM Agent (LLMA) that processes these prompts to refine its responses; and (3) an iterative prompting loop that implements a conversation between the former two components. We introduce two variants of our framework: Autonomous Iteration of Thought (AIoT), where an LLM decides when to stop iterating, and Guided Iteration of Thought (GIoT), which always forces a fixed number iterations. We investigate the performance of IoT across various datasets, spanning complex reasoning tasks from the GPQA dataset, explorative problem-solving in Game of 24, puzzle solving in Mini Crosswords, and multi-hop question answering from the HotpotQA dataset. Our results show that IoT represents a viable paradigm for autonomous response refinement in LLMs, showcasing significant improvements over CoT and thereby enabling more adaptive and efficient reasoning systems that minimize human intervention.

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