# SK Telecom Releases A.X-K2 Multilingual LLM

> The Korean telecom carrier's latest open language model targets English, Korean, Chinese, Japanese, and Spanish under a permissive license.

Published by The Open Weights on Jul 28, 2026. Canonical: https://theopenweights.com/news/a-x-k2-oei0

## Key facts

- Company: Skt
- Model: A.X-K2
- Version: K2
- Category: Text / LLM
- Modalities: Text / LLM
- License: Apache 2.0 (Open weights, commercial use allowed)
- Context window: 262K tokens
- Architecture: AXK2ForCausalLM
- Precision: FP8
- Weights size: 694.2 GB
- Significance: notable
- Published: 2026-07-28
- Last verified: 2026-08-04
- Hugging Face: https://huggingface.co/skt/A.X-K2
- Canonical URL: https://theopenweights.com/news/a-x-k2-oei0

SK Telecom has published **A.X-K2**, a new entry in its A.X family of language models, on [Hugging Face](https://huggingface.co/skt/A.X-K2). The model is a text-focused system built for multilingual use, covering English, Korean, Chinese, Japanese, and Spanish.

The release carries an Apache-2.0 license, which allows commercial use, modification, and redistribution with minimal restrictions. That choice matters for developers and enterprises that want to build on the model without navigating the bespoke community terms that accompany many other open-weight releases.

## Why it matters

SKT is one of a growing number of telecom operators investing directly in foundation models, and its A.X line reflects a regional bet: strong Korean-language performance paired with broader multilingual coverage. A permissively licensed model from a major carrier gives the Korean and wider Asian developer ecosystem another practical option beyond the usual US and Chinese labs.

Key details from the record:

- **Company:** SK Telecom
- **Modality:** text-based large language model
- **Languages:** English, Korean, Chinese, Japanese, Spanish
- **License:** Apache-2.0

SKT has not published parameter counts, context length, or benchmark figures in the available metadata, so the model's scale and positioning against peers remain to be seen. Interested developers can find the weights and any accompanying documentation on the [official Hugging Face page](https://huggingface.co/skt/A.X-K2).

## Get the model

- [Hugging Face](https://huggingface.co/skt/A.X-K2)

## Sources

- [skt/A.X-K2](https://huggingface.co/skt/A.X-K2) — Hugging Face, Jul 28, 2026

---
Source: The Open Weights (https://theopenweights.com/). Aggregated and written by Claude, curated by humans. Cite as: "SK Telecom Releases A.X-K2 Multilingual LLM", The Open Weights, Jul 28, 2026, https://theopenweights.com/news/a-x-k2-oei0