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Xingwei Qu

19 accepted papers

2026

ConceptMoE: Adaptive Token-to-Concept Compression for Implicit Compute Allocation

ICML 2026poster

Large language models allocate uniform computation across all tokens, ignoring that some sequences are trivially predictable while others require deep reasoning. We introduce ConceptMoE, which dynamically merges semantically similar tokens into concepts through learnable chunking at target compressi…

Cited by 0SourceScholar
2026

Local Success Does Not Compose: Benchmarking Large Language Models for Compositional Formal Verification

ICLR 2026poster

Despite rapid advances in code generation, current Large Language Models (LLMs) still lack an essential capability for reliable and verifiable code generation: compositional reasoning across multi-function programs. To explore this potential and important gap, we introduce DafnyCOMP, a benchmark des…

Cited by 0SourceScholar
2026

ReTool: Reinforcement Learning for Strategic Tool Use in LLMs

ICLR 2026poster

While reasoning models trained with reinforcement learning (RL) excel in reasoning, they struggle in scenarios requiring structured problem-solving, such as geometric reasoning, concise computation, or complex equation solving—areas where computational tools like code interpreters (CI) demonstrate d…

Cited by 0SourcecodeScholar
2026

Slow-Fast Policy Optimization: Reposition-Before-Update for LLM Reasoning

ICLR 2026poster

Reinforcement learning (RL) has become central to enhancing reasoning in large language models (LLMs). Yet on-policy algorithms such as Group Relative Policy Optimization (GRPO) often suffer in early training: noisy gradients from low-quality rollouts lead to unstable updates and inefficient explora…

Cited by 0SourcecodeScholar
2026

TreePO: Enhancing Policy Efficacy and Inference Efficiency with Tree Modeling

ICML 2026poster

Recent advancements in aligning large language models via reinforcement learning have achieved remarkable gains in solving complex reasoning problems, but at the cost of expensive on-policy rollouts and limited exploration of diverse reasoning paths. In this work, we introduce TreePO, involving a se…

Cited by 0SourceScholar
2026

YuE: Scaling Open Foundation Models for Long-Form Music Generation

ICLR 2026poster

We tackle the task of long-form music generation, particularly the challenging \textbf{lyrics-to-song} problem, by introducing \textbf{YuE (乐)}, a family of open-source music generation foundation models. Specifically, YuE scales to trillions of tokens and generates up to five minutes of music while…

Cited by 0SourcecodeScholar
2025

Can MLLMs Understand the Deep Implication Behind Chinese Images?

ACL 2025long

As the capabilities of Multimodal Large Language Models (MLLMs) improve, the need for higher-order evaluation of them is increasing. However, there is a lack of work evaluating MLLM for higher-order perception and understanding of Chinese visual content. To address this, we introduce the CII-Bench,…

2025

DREAM: Disentangling Risks to Enhance Safety Alignment in Multimodal Large Language Models

NAACL 2025long

Multimodal Large Language Models (MLLMs) pose unique safety challenges due to their integration of visual and textual data, thereby introducing new dimensions of potential attacks and complex risk combinations. In this paper, we begin with a detailed analysis aimed at disentangling risks through ste…

2025

KOR-Bench: Benchmarking Language Models on Knowledge-Orthogonal Reasoning Tasks

ICLR 2025poster

In this paper, we introduce Knowledge-Orthogonal Reasoning (KOR), a concept aimed at minimizing reliance on domain-specific knowledge, enabling more accurate evaluation of models' reasoning abilities in out-of-distribution settings. Based on this concept, we propose the Knowledge-Orthogonal Reasoni…

Cited by 3SourcePDFScholar
2025

LIME: Less Is More for MLLM Evaluation

ACL 2025finding

Multimodal Large Language Models (MLLMs) are measured on numerous benchmarks like image captioning, visual question answer, and reasoning. However, these benchmarks often include overly simple or uninformative samples, making it difficult to effectively distinguish the performance of different MLLMs…

2025

MuPT: A Generative Symbolic Music Pretrained Transformer

ICLR 2025poster

In this paper, we explore the application of Large Language Models (LLMs) to the pre-training of music. While the prevalent use of MIDI in music modeling is well-established, our findings suggest that LLMs are inherently more compatible with ABC Notation, which aligns more closely with their design…

Cited by 10SourcePDFScholar
2025

OmniBench: Towards The Future of Universal Omni-Language Models

NeurIPS 2025poster

Recent advancements in multimodal large language models (MLLMs) have focused on integrating multiple modalities, yet their ability to simultaneously process and reason across different inputs remains underexplored. We introduce OmniBench, a novel benchmark designed to evaluate models’ ability to rec…

Cited by 0SourcecodeScholar
2025

SuperGPQA: Scaling LLM Evaluation across 285 Graduate Disciplines

NeurIPS 2025poster

Large language models (LLMs) have demonstrated remarkable proficiency in mainstream academic disciplines such as mathematics, physics, and computer science. However, human knowledge encompasses over 200 specialized disciplines, far exceeding the scope of existing benchmarks. The capabilities of LLMs…

Cited by 215SourceScholar
2024

CIF-Bench: A Chinese Instruction-Following Benchmark for Evaluating the Generalizability of Large Language Models

ACL 2024findings

The advancement of large language models (LLMs) has enhanced the ability to generalize across a wide range of unseen natural language processing (NLP) tasks through instruction-following.Yet, their effectiveness often diminishes in low-resource languages like Chinese, exacerbated by biased evaluatio…

2024

CMDAG: A Chinese Metaphor Dataset with Annotated Grounds as CoT for Boosting Metaphor Generation

COLING 2024main

Metaphor is a prominent linguistic device in human language and literature, as they add color, imagery, and emphasis to enhance effective communication. This paper introduces a large-scale high quality annotated Chinese Metaphor Corpus, which comprises around 28K sentences drawn from a diverse range…

2024

D-CPT Law: Domain-specific Continual Pre-Training Scaling Law for Large Language Models

NeurIPS 2024poster

Continual Pre-Training (CPT) on Large Language Models (LLMs) has been widely used to expand the model’s fundamental understanding of specific downstream domains (e.g., math and code). For the CPT on domain-specific LLMs, one important question is how to choose the optimal mixture ratio between the g…

Cited by 18SourcePDFScholar
2024

GraphReader: Building Graph-based Agent to Enhance Long-Context Abilities of Large Language Models

EMNLP 2024finding

Long-context capabilities are essential for large language models (LLMs) to tackle complex and long-input tasks. Despite numerous efforts made to optimize LLMs for long contexts, challenges persist in robustly processing long inputs. In this paper, we introduce GraphReader, a graph-based agent syste…

2024

MAmmoTH: Building Math Generalist Models through Hybrid Instruction Tuning

ICLR 2024spotlight

We introduce MAmmoTH, a series of open-source large language models (LLMs) specifically tailored for general math problem-solving. The MAmmoTH models are trained on MathInstruct, our meticulously curated instruction tuning dataset. MathInstruct is compiled from 13 math datasets with intermediate rat…

Cited by 332SourcePDFScholar
2024

MORE-3S:Multimodal-based Offline Reinforcement Learning with Shared Semantic Spaces

COLING 2024main

Drawing upon the intuition that aligning different modalities to the same semantic embedding space would allow models to understand states and actions more easily, we propose a new perspective to the offline reinforcement learning (RL) challenge. More concretely, we transform it into a supervised le…