collaborators

6 papers

cs.AI2026

Think in English, Answer in Korean: Efficient Adaptation of Multilingual Tool-Using Agents

Utsav Garg, Sungjin Hong, Jason Jung +6

We present LuckyStar 111B, a 111B-parameter hybrid reasoning model developed through a collaboration between Cohere and LG CNS for Korean-English enterprise agents under practical…

cs.LG2026

ICaRus: Identical Cache Reuse for Efficient Multi Model Inference

Sunghyeon Woo, Jaeeun Kil, Hoseung Kim +9

Multi model inference has recently emerged as a prominent paradigm, particularly in the development of agentic AI systems. However, in such scenarios, each model must maintain its…

cs.LG2026

PrefillShare: A Shared Prefill Module for KV Reuse in Multi-LLM Disaggregated Serving

Sunghyeon Woo, Hoseung Kim, Sunghwan Shim +8

Multi-agent systems increasingly orchestrate multiple specialized language models to solve complex real-world problems, often invoking them over a shared context. This execution pa…

cs.CL2025

Chopping Trees: Semantic Similarity Based Dynamic Pruning for Tree-of-Thought Reasoning

Joongho Kim, Xirui Huang, Zarreen Reza +1

Tree-of-Thought (ToT) reasoning boosts the problem-solving abilities of Large Language Models (LLMs) but is computationally expensive due to semantic redundancy, where distinct bra…

cs.CL2025

CheckEval: A reliable LLM-as-a-Judge framework for evaluating text generation using checklists

Yukyung Lee, Joonghoon Kim, Jaehee Kim +4

Existing LLM-as-a-Judge approaches for evaluating text generation suffer from rating inconsistencies, with low agreement and high rating variance across different evaluator models.…

cs.CL2025

Command A: An Enterprise-Ready Large Language Model

Team Cohere, :, Aakanksha +227

In this report we describe the development of Command A, a powerful large language model purpose-built to excel at real-world enterprise use cases. Command A is an agent-optimised…