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39 results for “WebShop” · page 2 of 2

  1. Research · Reinforcement learning

    Critics that predict task success, not just returns, improve long-horizon agent credit assignment

    From Outcomes to Steps: Reliable Success-Aware Critic Learning for Long-Horizon Language Agents

    SCALE adds an explicit success probability head to actor-critic RL and uses reliability-weighted changes in that probability to credit intermediate actions, raising success rates on five agent benchmarks.

    WebShop: 4.1 pts success rate gain (as reported)

    Shanghai Jiao Tong University, Huawei Noah's Ark Lab

  2. Research · Agents

    Forecasting future actions makes language-agent training more sample-efficient

    Co-Evolving Acting and Forecasting for Language Agents

    CoPE trains agents to predict several subsequent actions from each interaction history, improving five benchmark results without adding inference-time computation.

    WebShop: 77% success rate (as reported)

    University of Illinois Urbana-Champaign, University of California San Diego, Meta AI

  3. Research · Agents

    Local milestones improve credit assignment for long-horizon language-model agents

    MileGPO: Milestone Inference with Local Evidence for Graph-Based Policy Optimization of Long-Horizon LLM Agents

    MileGPO extracts intermediate rewards from existing rollouts by identifying milestones and traps, weighting their reliability, and comparing alternative actions from the same state.

    Beijing Jiaotong University, Peking University

  4. Research · Agents

    Agents can skip repeated reasoning when earlier plans still suffice

    When Should Agents Think? Adaptive Reasoning via Cross-Turn Estimation

    RACE trains language-model agents to estimate how long prior reasoning remains useful, reducing repeated reasoning across four interactive benchmarks.

    WebShop: 535 tokens Avg Tok. (as reported)

    Renmin University of China, Alibaba Token Hub, Alibaba Group

  5. Research · Agents

    Grounding distillation in interaction states improves multi-turn agent performance

    State-OPD: State-Grounded On-Policy Distillation for Multi-Turn Agents

    State-OPD separates executed interaction history from student reasoning, improving teacher supervision and broadening the actions sampled during training.

    WebShop: 12.2% success rate (as reported)

    Alibaba Group, Tsinghua University, Shanghai Jiao Tong University

  6. Research · Reinforcement learning

    Temperature grouping boosts exploration efficiency in LLM reinforcement learning

    TGRL: Temperature-Grouped Reinforcement Learning for Efficient Exploration in LLMs

    By contrasting rollouts at different temperatures, TGRL allocates an explicit exploration signal without increasing sample budgets.

    WebShop: 74.2% Success Rate (as reported)

    University of Chinese Academy of Sciences, Meituan, MAIS&NLPR, Institute of Automation, Chinese Academy of SciencesCode

  7. Research · Agents

    Subtask routing halves agent inference cost while improving performance

    RSI-Router: Evolving Subtask-Level LLM Routing and Skills for Cost-Efficient Agents

    RSI-Router learns when to assign subtasks to large or small language models, along with reusable model-specific execution guidance.

    ALFWorld: 75.3% inference cost reduction (as reported)

    Shanghai Artificial Intelligence Laboratory

  8. Research · Reinforcement learning

    Verifying pivotal agent decisions improves reinforcement learning credit assignment

    Targeting Pivotal Decisions for Credit Assignment in Agentic Reinforcement Learning

    ProVer uses a model to identify consequential action segments, then validates their value through sampled outcomes before assigning extra training credit.

    WebShop: 47.67% task success rate (as reported)

    University of California, Davis, Microsoft, University of Washington

  9. Research · Reinforcement learning

    Shared rollout states improve credit assignment for long-horizon agents

    Cross-Rollout Bellman Closure for Long-Horizon Agentic Reinforcement Learning

    CRBC recursively combines evidence from intersecting rollouts while weighting alternative actions and transitions by their observed frequencies.

    WebShop: 90.11 task score (as reported)

    Beihang University, Zhongguancun Academy, Communication University of China

  10. Research · Agents

    Agent improves by distilling its own verified experiences during deployment

    ASCENT: Online Test-Time Training of Long-Horizon Agents via Self-Distillation of Verified Experience

    ASCENT enables online test-time training of LLM agents by self-distilling successful trajectories into persistent weight updates without external supervision.

    WebShop: 41.9% strict success rate (as reported)

    University of New South Wales (UNSW Sydney)

  11. Research · Reinforcement learning

    Training agents around decisive errors improves prevention and recovery

    PivotOPD: Learning to Recover from Pivotal Mistakes in Multi-Turn Agents

    PivotOPD identifies consequential mistakes in student rollouts, then distills both the preferred action and subsequent recovery behavior.

    WebShop: 14.1% success rate improvement over RLSD (as reported)

    Princeton University, NVIDIA, University of Maryland

  12. Research · Agents

    Targeted feedback improves memory retrieval for language model agents

    UpliftMem: Learning Set-Level Uplift for Agent Memory Retrieval

    UpliftMem learns which sets of stored examples improve task outcomes, then directs limited training rollouts toward alternatives most likely to change retrieval decisions.

    WebShop: 44% success rate (as reported)

    MIIT Key Laboratory of Data and Decision Intelligence, Beihang University

  13. Research · Agents

    Typed action encoding helps language models learn adaptable agent policies

    Dyad: Extending Large Language Models with Native Typed Decision-Making

    Dyad separates language reasoning from structured action selection, enabling efficient decisions over changing action spaces.

    WebShop: 75.17% success rate (as reported)

    Zhejiang University, SAP, Central South University

  14. Research · Reinforcement learning

    Online distillation cuts needless verbosity in RL-trained models

    Mitigating the Length-Scaling Tax with Online Distillation

    Length Self-Distillation reduces excess response length on easy queries without sacrificing accuracy on hard ones.

    BrowseComp-Plus: 30.72% Pass@1 (as reported)

    ByteDance Seed, Tongji University, Peking University

  15. Research · Agents

    Hierarchical supervision allocation improves long-horizon model distillation

    Dense Is Not Enough: Hierarchical Supervision Allocation for Long-Horizon On-Policy Distillation

    The LENS-OPD method outperforms dense token-level supervision by dynamically selecting which student behaviors to correct based on future impact and learnability.

    WebShop: 24.5% SR (as reported)

    Ant Group, Alibaba International Digital Commerce Group, University of Science and Technology of China