collaborators

8 papers

cs.AI2026

Nanbeige4.2-3B: Unlocking Agentic Capabilities in a Compact Model

Nanbeige Lab, :, Chen Yang +23

We present Nanbeige4.2-3B, a compact general agentic model with 3B non-embedding parameters. It delivers strong performance across code-agent, office-agent, and complex tool-use ta…

cs.LG2026

Flexi-LoRA with Input-Adaptive Ranks: Efficient Finetuning for Speech and Reasoning Tasks

Zongqian Li, Yixuan Su, Han Zhou +2

Parameter-efficient fine-tuning methods like Low-Rank Adaptation (LoRA) have become essential for deploying large language models, yet their static parameter allocation remains sub…

cs.CL2026

Scaling Data Difficulty: Improving Coding Models via Reinforcement Learning on Fresh and Challenging Problems

Zongqian Li, Tengchao Lv, Shaohan Huang +8

Training next-generation code generation models requires high-quality datasets, yet existing datasets face difficulty imbalance, format inconsistency, and data quality problems. We…

cs.LG2026

Breaking Training Bottlenecks: Effective and Stable Reinforcement Learning for Coding Models

Zongqian Li, Shaohan Huang, Zewen Chi +5

Modern code generation models exhibit longer outputs, accelerated capability growth, and changed training dynamics, rendering traditional training methodologies, algorithms, and da…

cs.CL2025

A Survey on Prompt Tuning

Zongqian Li, Yixuan Su, Nigel Collier

This survey reviews prompt tuning, a parameter-efficient approach for adapting language models by prepending trainable continuous vectors while keeping the model frozen. We classif…

cs.CL2025

PT-MoE: An Efficient Finetuning Framework for Integrating Mixture-of-Experts into Prompt Tuning

Zongqian Li, Yixuan Su, Nigel Collier

Parameter-efficient fine-tuning (PEFT) methods have shown promise in adapting large language models, yet existing approaches exhibit counter-intuitive phenomena: integrating router…