Papers
Topics
Authors
Recent
Gemini 2.5 Flash
Gemini 2.5 Flash
139 tokens/sec
GPT-4o
47 tokens/sec
Gemini 2.5 Pro Pro
43 tokens/sec
o3 Pro
4 tokens/sec
GPT-4.1 Pro
47 tokens/sec
DeepSeek R1 via Azure Pro
28 tokens/sec
2000 character limit reached

Marco-o1: Towards Open Reasoning Models for Open-Ended Solutions (2411.14405v2)

Published 21 Nov 2024 in cs.CL

Abstract: Currently OpenAI o1 sparks a surge of interest in the study of large reasoning models (LRM). Building on this momentum, Marco-o1 not only focuses on disciplines with standard answers, such as mathematics, physics, and coding -- which are well-suited for reinforcement learning (RL) -- but also places greater emphasis on open-ended resolutions. We aim to address the question: ''Can the o1 model effectively generalize to broader domains where clear standards are absent and rewards are challenging to quantify?'' Marco-o1 is powered by Chain-of-Thought (CoT) fine-tuning, Monte Carlo Tree Search (MCTS), reflection mechanisms, and innovative reasoning strategies -- optimized for complex real-world problem-solving tasks.

Citations (5)

Summary

  • The paper introduces a composite framework that leverages Chain-of-Thought fine-tuning, Monte Carlo Tree Search, and a novel reasoning action strategy to expand solution pathways in ambiguous domains.
  • It demonstrates performance gains of +6.17% on MGSM English and +5.60% on Chinese datasets, evidencing its efficacy in structured reasoning tasks.
  • Its innovative approach improves machine translation by accurately capturing colloquial and nuanced expressions, setting the stage for advanced reward modeling techniques.

An Analytical Overview of the Marco-o1 Model for Open-Ended Solutions

The presented paper explores the development and evaluation of the Marco-o1 model, a large reasoning model (LRM) tailored towards addressing open-ended solutions across a spectrum of disciplinary domains. Building on the conceptual foundation established by the OpenAI o1 model, which caters predominantly to situations with clear, quantitative standards and well-defined rewards, the Marco-o1 iterates on these capabilities, aspiring to extend its utility into areas characterized by ambiguity and complex decision-making processes.

Key Approaches and Contributions

Marco-o1 introduces a composite methodological framework, leveraging Chain-of-Thought (CoT) fine-tuning, Monte Carlo Tree Search (MCTS), and refined reasoning action strategies to navigate and solve multifaceted problems. The model distinguishes itself through several pivotal contributions:

  • Fine-Tuning with CoT Data: The model applies full-parameter fine-tuning using an amalgam of open-source CoT datasets and synthetic datasets developed in-house, tailored specifically for structured reasoning.
  • Solution Space Expansion via MCTS: By integrating MCTS with LLM outputs to guide exploration, Marco-o1 broadens the solution pathways, thereby enhancing its search dynamics for optimal resolution.
  • Novel Reasoning Action Strategy: This approach employs varied granularity within action selections and implements a reflection mechanism to encourage self-assessment and iterative improvement in problem-solving prowess.
  • Machine Translation Application: Marco-o1 pioneers the employment of LRM in translation tasks, demonstrating particularly superior performance in comprehending and translating colloquial and nuanced linguistic expressions.

Datasets and Methodology

The research is underpinned by an exhaustive dataset strategy, employing Supervised Fine-Tuning (SFT) with carefully curated and generated datasets, including a filtered Open-O1 CoT Dataset and the Marco Instruction Dataset. The paper provides a statistical synopsis of dataset utilization, underscoring a robust developmental pipeline.

The MCTS framework is meticulously designed within the Marco-o1 system, turning the LLM-generated outputs into actionable nodes and exploring alternative reasoning paths informed by token confidence scores. The innovative articulation of nodes as reasoning states and outputs as actions embodies a profound enhancement in navigating reasoning complexity.

Experimental Evaluation and Results

Quantitative analyses reported in the paper highlight the efficacy of the Marco-o1 model across distinct linguistic datasets. Improvements of +6.17% and +5.60% are recorded on the MGSM English and Chinese datasets, respectively, showcasing the model's potent reasoning performance. Comparative evaluations further elucidate the impact of various action granularity strategies, such as MCTS steps versus mini-steps, on optimizing problem-solving accuracy.

Implications and Future Directions

The Marco-o1 model's exploration of open-ended reasoning domains represents a laudable advancement in AI's handling of real-world complexities. Practical implications extend to enhanced machine translation capabilities, where nuanced interpretation of colloquial expressions has been empirically validated. On a theoretical front, this work contributes to an enriched understanding of how large learning models can simulate and refine human-like reasoning processes.

Looking forward, the research anticipates further refinement of Marco-o1's capabilities via advanced reward modeling techniques and reinforcement learning. Such enhancements aim to curtail randomness and bolster the strategic decision matrix underpinning the model's operations. Ultimately, Marco-o1's trajectory points towards an expanding frontier in AI that may soon adeptly address open-ended challenges with agility and precision.

Youtube Logo Streamline Icon: https://streamlinehq.com