collaborators

20 papers

cs.CL2026

Consolidating RLVR Capabilities Across Domains: A Deep Dive into Fusion Paradigms

Siye Wu, Kai Yang, Yuchen Cai +8

Reinforcement learning with verifiable rewards (RLVR) improves specific capabilities of large language models, but covering multiple capabilities often involves training separate d…

cs.CV2026

Beyond Correctness: Benchmarking and Aligning Response Behaviors in Hybrid-Thinking MLLMs

Xinming Wang, Weinong Wang, Hongming Yang +13

Hybrid-thinking multimodal large language models (MLLMs) allow a single model to alternate between deliberative thinking and latency-efficient non-thinking inference. Although thes…

cs.LG2026

TRACE: A Unified Rollout Budget Allocation Framework for Efficient Agentic Reinforcement Learning

Heming Zou, Qi Wang, Yun Qu +9

Reinforcement learning with verifiable rewards (RLVR) is a promising approach for enhancing reasoning and agentic behavior in large language models. However, rollout-intensive poli…

cs.LG2026

ADWIN: Adaptive Windows for Horizon-Aware On-Policy Distillation

Kun Liang, Chenming Tang, Clive Bai +3

On-policy distillation (OPD) transfers reasoning behavior by training a student on teacher feedback along student-generated trajectories, but standard full-rollout training ties ev…

cs.LG2026

RLVR Datasets and Where to Find Them: Tracing Data Lineage for Better Training Data

Hsiu-Yuan Huang, Weijie Liu, Chenming Tang +5

The proliferation of Reinforcement Learning from Verifiable Rewards (RLVR) datasets has exacerbated provenance collapse due to unclear lineage among existing datasets. To bridge th…

cs.CL2026

Learning to Foresee: Unveiling the Unlocking Efficiency of On-Policy Distillation

Yuchen Cai, Ding Cao, Liang Lin +9

On-policy distillation (OPD) has emerged as an efficient post-training paradigm for large language models. However, existing studies largely attribute this advantage to denser and…

cs.LG2026

Listwise Policy Optimization: Group-based RLVR as Target-Projection on the LLM Response Simplex

Yun Qu, Qi Wang, Yixiu Mao +11

Reinforcement learning with verifiable rewards (RLVR) has become a standard approach for large language models (LLMs) post-training to incentivize reasoning capacity. Among existin…

cs.LG2026

Debiased Model-based Representations for Sample-efficient Continuous Control

Jiafei Lyu, Zichuan Lin, Scott Fujimoto +5

Model-based representations recently stand out as a promising framework that embeds latent dynamics information into the representations for downstream off-policy actor-critic lear…

cs.LG2026

Democratizing Tool Learning with Environments Fully Simulated by a Free 8B Language Model

Chenming Tang, Hsiu-Yuan Huang, Weijie Liu +3

Reinforcement learning has become a prevalent paradigm for training tool calling agents, which typically requires online interactive environments. Existing approaches either rely o…

cs.LG2026

Learning beyond Teacher: Generalized On-Policy Distillation with Reward Extrapolation

Wenkai Yang, Weijie Liu, Ruobing Xie +3

On-policy distillation (OPD), which aligns the student with the teacher's logit distribution on student-generated trajectories, has demonstrated strong empirical gains in improving…

cs.CL2026

Composition-RL: Compose Your Verifiable Prompts for Reinforcement Learning of Large Language Models

Xin Xu, Clive Bai, Kai Yang +8

Large-scale verifiable prompts underpin the success of Reinforcement Learning with Verifiable Rewards (RLVR), but they contain many uninformative examples and are costly to expand…

cs.AI2026

Small Generalizable Prompt Predictive Models Can Steer Efficient RL Post-Training of Large Reasoning Models

Yun Qu, Qi Wang, Yixiu Mao +8

Reinforcement learning enhances the reasoning capabilities of large language models but often involves high computational costs due to rollout-intensive optimization. Online prompt…

cs.LG2026

ORBIT: On-policy Exploration-Exploitation for Controllable Multi-Budget Reasoning

Kun Liang, Clive Bai, Xin Xu +5

Recent Large Reasoning Models (LRMs) achieve strong performance by leveraging long-form Chain-of-Thought (CoT) reasoning, but uniformly applying overlong reasoning at inference tim…

cs.LG2025

DRIVE: Data Curation Best Practices for Reinforcement Learning with Verifiable Reward in Competitive Code Generation

Speed Zhu, Jianwei Cai, Guang Chen +3

Recent reasoning-first models (e.g., OpenAI o1, DeepSeek R1) have spurred a resurgence of interest in RLVR. Nevertheless, advances are dominated by mathematics (e.g., AIME), with c…

cs.LG2025

EntroPIC: Towards Stable Long-Term Training of LLMs via Entropy Stabilization with Proportional-Integral Control

Kai Yang, Xin Xu, Yangkun Chen +5

Long-term training of large language models (LLMs) requires maintaining stable exploration to prevent the model from collapsing into sub-optimal behaviors. Entropy is crucial in th…

cs.CL2025

LaSeR: Reinforcement Learning with Last-Token Self-Rewarding

Wenkai Yang, Weijie Liu, Ruobing Xie +4

Reinforcement Learning with Verifiable Rewards (RLVR) has recently emerged as a core paradigm for enhancing the reasoning capabilities of Large Language Models (LLMs). To address t…

cs.LG2025

Think Outside the Policy: In-Context Steered Policy Optimization

Hsiu-Yuan Huang, Chenming Tang, Weijie Liu +3

Existing Reinforcement Learning from Verifiable Rewards (RLVR) methods, such as Group Relative Policy Optimization (GRPO), have achieved remarkable progress in improving the reason…

cs.LG2025

Do Not Step Into the Same River Twice: Learning to Reason from Trial and Error

Chenming Tang, Hsiu-Yuan Huang, Weijie Liu +3

Reinforcement learning with verifiable rewards (RLVR) has significantly boosted the reasoning capability of language models (LMs). However, existing RLVR approaches train LMs based…

cs.LG2025

Thinking-Free Policy Initialization Makes Distilled Reasoning Models More Effective and Efficient Reasoners

Xin Xu, Cliveb AI, Clive Bai +5

Reinforcement Learning with Verifiable Reward (RLVR) effectively solves complex tasks but demands extremely long context lengths during training, leading to substantial computation…

cs.CL2025

Hunyuan-TurboS: Advancing Large Language Models through Mamba-Transformer Synergy and Adaptive Chain-of-Thought

Tencent Hunyuan Team, Ao Liu, Botong Zhou +248

As Large Language Models (LLMs) rapidly advance, we introduce Hunyuan-TurboS, a novel large hybrid Transformer-Mamba Mixture of Experts (MoE) model. It synergistically combines Mam…