SK Telecom advances into the second stage of the 'AI Foundation Model' with super-large AI model 'A.X K1'

*This content was translated by AI.

SK Telecom's elite team announced on the 16th that it has entered the second phase of the government's "Independent AI Foundation Model" project.

Introduced by SKT's elite team, 'AIDATX K1' is a 519B super AI model with more than 500 billion parameters for the first time in Korea.

A.X K1 showed a strong appearance in the areas of high-level mathematics and coding. Compared to global open-source models such as DeepSeek-V3.1, which have similar parameter sizes in the areas of mathematics (AIME25 benchmark) and coding utilization (LiveCodeBench), they performed equally or better.

In particular, SK Telecom's elite team scored 9.2 points out of 10 in the first phase of the NIA benchmark evaluation, tying for first place with LG AI researcher among the five elite teams. NIA benchmark evaluation comprehensively evaluates various areas such as ▲mathematics ▲knowledge ▲long sentence understanding ▲reliability ▲safety.

In addition, A.X K1 is also characterized by high openness as it is released under the "Apache 2.0" license. Models developed in this way are commercially available under licensing regulations and can be modified and redistributed.

SK Telecom's elite team is planning to apply multimodal sequentially starting with image data from the second stage of evaluation. For example, it is possible to recognize the image of a thesis or business document and to process the task of summarizing it in text.

From the second half of this year, multimodal will be advanced to handle voice and video data. Beyond the limit of only understanding text, it is possible to understand and process various data such as images, voices, and videos.

In order to improve the performance of the AI model, the elite team plans to accelerate the development of smarter AI models by expanding the size of learning data to five languages (Korean, English, Chinese, Japanese, and Spanish).

Cooperation and prior research at the level of SK Telecom's elite team are also becoming more active. The elite team of eight organizations, including SK Telecom, Krafton, Fortitudot (42dot), Revelion, Liner, Selectstar, Seoul National University, and KAIST, recently expanded its research with the addition of Seo In-seok, a professor of mathematical science at Seoul National University, and Seo Min-joon, a professor at KAIST Graduate School of Artificial Intelligence.

About 20 institutions, including SK Hynix, SK Innovation, SK AX, and SK Broadband, as well as the Korea Higher Education Foundation and Choi Jong-hyun Academy, will gradually use the model of SK Telecom's elite team to lead innovation in the domestic artificial intelligence ecosystem.

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*This content was translated by AI.