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Xudong Han

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#machine learning Preprint Dec 2025

K2-V2: A 360-Open, Reasoning-Enhanced LLM

K2-V2 is introduced, a 360-open LLM built from scratch as a superior base for reasoning adaptation, in addition to functions such as conversation and knowledge retrieval from general LLMs, to empower the community with a capable, reasoning-centric foundation.

K2 Team Zhengzhong Liu, Liping Tang, Ling-Hao Jin et al. · 0 citations
Preprint Jul 2026

Jais 2: A Family of Arabic-Centric Open Large Language Models

Jais 2 is a family of Arabic-centric large language models developed jointly by MBZUAI, Cerebras, and Inception, designed to advance Arabic-centric language modeling, with strong performance across the Arabic and culturally grounded benchmarks evaluated in this report. The family includes, to our knowledge, the largest...

Mohamed Anwar, A. Freihat, George Ibrahim et al. · 3 citations
Preprint Aug 2026

SurakshaEval: An Indic Safety Benchmark for Multilingual LLMs

SurakshaEval is introduced, a novel safety benchmark composed of human-written prompts spanning real-world scenarios, explicitly designed for ten major Indian languages - Assamese, Bengali, Gujarati, Hindi, Kannada, Malayalam, Marathi, Punjabi, Tamil, and Telugu - along with English.

Debopriyo Banerjee, K. R. Kavitha, Angana Borah et al. · 0 citations
#artificial intelligence Preprint Feb 2026

From Leaky Thoughts to Private Reasoning: Controlling What LRMs Say to Themselves

The results show that improving IF in LRMs can significantly enhance privacy, suggesting a promising direction for future privacy-aware LRMs, and introduces an SFT dataset that teaches models to follow general instructions throughout their reasoning process.

Haritz Puerto, Haonan Li, Xudong Han et al. · 0 citations

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