Reproduce “Rollback the World, Keep the Reflection: Rollback-Induced Reflection for Long-Horizon LLM Agents” on OpenResearch

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About this paper

Yi Yu, Liuyi Yao, Yaliang Li, Enshu Wang, Libing Wu

RIR helps long-horizon language-model agents recover from failed branches by reviewing execution, selecting an earlier checkpoint, restoring the environment, and retaining validated lessons while marking state-dependent claims for re-verification. With DeepSeek-V3, it reaches 69.43% average success, 6.57 points above ReAct. Across tested settings, it leads eight of nine benchmark combinations under the paper’s 24-step interaction budget, except GAIA with Qwen3.8-27B.

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