mlsanityData to 7 Oct 2026

ARM-FM: Automated Reward Machines via Foundation Models for Compositional Reinforcement Learning

arXiv 2510.14176 ↗First posted 16 Oct 2025cs.AI cs.LGcited by 5

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Abstract (arXiv)

Reinforcement learning (RL) algorithms are highly sensitive to reward function specification, which remains a central challenge limiting their broad applicability. We present ARM-FM: Automated Reward Machines via Foundation Models, a framework for automated, compositional reward design in RL that leverages the high-level reasoning capabilities of foundation models (FMs). Reward machines (RMs) -- an automata-based formalism for reward specification -- are used as the mechanism for RL objective specification, and are automatically constructed via the use of FMs. The structured formalism of RMs yields effective task decompositions, while the use of FMs enables objective specifications in natural language. Concretely, we (i) use FMs to automatically generate RMs from natural language specifications; (ii) associate language embeddings with each RM automata-state to enable generalization across tasks; and (iii) provide empirical evidence of ARM-FM's effectiveness in a diverse suite of challenging environments, including evidence of zero-shot generalization.

Key facts. Cited by 5 papers in the map (data through 7 Oct 2026). Builds on 43 of its 62 references that are in the map. First posted on arXiv 16 Oct 2025.

Builds on

43 of 62 references.

References · 43

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31 more
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Cited by year (2026 to 7 Oct)

Citing papers per year: 2026: 5.

5 papers.

Similar, not cited

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  1. 2026Reward-Zero: Language Embedding Driven Implicit Reward Mechanisms for Reinforcement Learning
  2. 2026Reward Modeling for Reinforcement Learning-Based LLM Reasoning: Design, Challenges, and Evaluation
  3. 2026The End of Reward Engineering: How LLMs Are Redefining Multi-Agent Coordination
  4. 2025RM-R1: Reward Modeling as Reasoning
  5. 2025RLAF: Reinforcement Learning from Automaton Feedback
  6. 2026RLAR: An Agentic Reward System for Multi-task Reinforcement Learning on Large Language Models
  7. 2024OCALM: Object-Centric Assessment with Language Models
  8. 2025Reward Evolution with Graph-of-Thoughts: A Bi-Level Language Model Framework for Reinforcement Learning