A.X 4.0 Light 🤗 Models 💬 Chat 📬 APIs (FREE!) 🖥️ Github A.X 4.0 Family Highlights SK Telecom released A.X 4.0 (pronounced "A dot X"), a large language model (LLM) optimized for Korean language understanding and enterprise deployment, on July 03, 2025. Built on the open source Qwen2.5 model, A.X 4.0 has been further trained with large scale Korean datasets to deliver outstanding performance in real world business environments. Superior Korean Proficiency : Achieved a score of 78.3 on KMMLU, the leading benchmark for Korean language evaluation and a Korean specific adaptation of MMLU, outperforming GPT 4o (72.5). Deep Cultural Understanding : Scored 83.5 on CLIcK, a benchmark for Korean cultural and contextual comprehension, surpassing GPT 4o (80.2). Efficient Token Usage : A.X 4.0 uses approximately 33% fewer tokens than GPT 4o for the same Korean input, enabling more cost effective and efficient processing. Deployment Flexibility : Offered in both a 72B parameter standard model (A.X 4.0) and a 7B lightweight version (A.X 4.0 Light). Long Context Handling : Supports up to 131,072 tokens, allowing comprehension of lengthy documents and conversations. (Lightweight model supports up…
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