activity
20242026
most citedKimi K2: Open Agentic Intelligence

14 citations · 16 across the 14 of their papers we have counts for

collaborators

16 papers

cs.LG2026

Environments as Scaffold: Enriching Feedback to Bootstrap Self-Evolving Agents in Long-Horizon Tasks

Hongbang Yuan, Zhuoran Jin, Yixin Cao

Large Language Models demonstrate remarkable proficiency in static reasoning, yet training them as autonomous agents through Reinforcement Learning (RL) for long-horizon tasks is o…

cs.CL2026

SFT Conflicts, RL Coexists: A Theoretical and Empirical Analysis of Multi-Task Learning for LLMs

Kejian Zhu, Zhuoran Jin, Shangqing Tu +5

Supervised Fine-Tuning (SFT) and Reinforcement Learning (RL) exhibit fundamentally different behaviors in enhancing multi-task reasoning for large language models (LLMs). Our preli…

cs.CV2026

Beyond Simply Environment Scaling: Designing Effective Environment Distributions for Multimodal Agent Learning

Kejian Zhu, Zhuoran Jin, Dongqi Huang +4

Recent works train agents by constructing large-scale multimodal environment pools. However, we find that simply increasing the number of multimodal environments does not always be…

cs.CL2026

Look Light, Think Heavy: What Multimodal Chain-of-Thought Reasoning Can and Cannot Do

Zhuoran Jin, Kejian Zhu, Hongbang Yuan +5

Chain-of-Thought (CoT) has become a standard method for improving reasoning capabilities in large language models (LLMs) by eliciting step-by-step thinking, but its effectiveness i…

cs.CL2026

Agentic Environment Engineering for Large Language Models: A Survey of Environment Modeling, Synthesis, Evaluation, and Application

Jiachun Li, Zhuoran Jin, Tianyi Men +12

Environments serve as interactive systems for large language model (LLM) based agents across diverse scenarios and play a crucial role in driving the continual evolution of model c…

cs.AI2026

What Do LLM Agents Know About Their World? Task2Quiz: A Paradigm for Studying Environment Understanding

Siyuan Liu, Hongbang Yuan, Xinze Li +3

Large language model (LLM) agents have demonstrated remarkable capabilities in complex decision-making and tool-use tasks, yet their ability to generalize across varying environmen…

cs.CL2025

Omni-Reward: Towards Generalist Omni-Modal Reward Modeling with Free-Form Preferences

Zhuoran Jin, Hongbang Yuan, Kejian Zhu +5

Reward models (RMs) play a critical role in aligning AI behaviors with human preferences, yet they face two fundamental challenges: (1) Modality Imbalance, where most RMs are mainl…

cs.LG2025★ 14 cited

Kimi K2: Open Agentic Intelligence

Kimi Team, Yifan Bai, Yiping Bao +195

We introduce Kimi K2, a Mixture-of-Experts (MoE) large language model with 32 billion activated parameters and 1 trillion total parameters. We propose the MuonClip optimizer, which…

cs.CL2025

RULE: Reinforcement UnLEarning Achieves Forget-Retain Pareto Optimality

Chenlong Zhang, Zhuoran Jin, Hongbang Yuan +5

The widespread deployment of Large Language Models (LLMs) trained on massive, uncurated corpora has raised growing concerns about the inclusion of sensitive, copyrighted, or illega…

cs.CV2025

MMR-V: What's Left Unsaid? A Benchmark for Multimodal Deep Reasoning in Videos

Kejian Zhu, Zhuoran Jin, Hongbang Yuan +6

The sequential structure of videos poses a challenge to the ability of multimodal large language models (MLLMs) to locate multi-frame evidence and conduct multimodal reasoning. How…

cs.CL2024

RAG-RewardBench: Benchmarking Reward Models in Retrieval Augmented Generation for Preference Alignment

Zhuoran Jin, Hongbang Yuan, Tianyi Men +4

Despite the significant progress made by existing retrieval augmented language models (RALMs) in providing trustworthy responses and grounding in reliable sources, they often overl…

cs.CL2024★ 1 cited

Towards Robust Knowledge Unlearning: An Adversarial Framework for Assessing and Improving Unlearning Robustness in Large Language Models

Hongbang Yuan, Zhuoran Jin, Pengfei Cao +3

LLM have achieved success in many fields but still troubled by problematic content in the training corpora. LLM unlearning aims at reducing their influence and avoid undesirable be…

cs.CL2024

Beyond Under-Alignment: Atomic Preference Enhanced Factuality Tuning for Large Language Models

Hongbang Yuan, Yubo Chen, Pengfei Cao +3

Large language models (LLMs) have achieved remarkable success but still tend to generate factually erroneous responses, a phenomenon known as hallucination. A recent trend is to us…

cs.CL2024★ 1 cited

RWKU: Benchmarking Real-World Knowledge Unlearning for Large Language Models

Zhuoran Jin, Pengfei Cao, Chenhao Wang +6

Large language models (LLMs) inevitably memorize sensitive, copyrighted, and harmful knowledge from the training corpus; therefore, it is crucial to erase this knowledge from the m…

cs.CL2024

Whispers that Shake Foundations: Analyzing and Mitigating False Premise Hallucinations in Large Language Models

Hongbang Yuan, Pengfei Cao, Zhuoran Jin +4

Large Language Models (LLMs) have shown impressive capabilities but still suffer from the issue of hallucinations. A significant type of this issue is the false premise hallucinati…

cs.CL2024

Cutting Off the Head Ends the Conflict: A Mechanism for Interpreting and Mitigating Knowledge Conflicts in Language Models

Zhuoran Jin, Pengfei Cao, Hongbang Yuan +6

Recently, retrieval augmentation and tool augmentation have demonstrated a remarkable capability to expand the internal memory boundaries of language models (LMs) by providing exte…