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Open-Source AI Model A.X-K2 Launches on Hugging Face With 688B Parameters

aiai-modelingai-model-releasesai-open-models 2 posts · 2 accounts

An open-source artificial intelligence model named A.X-K2 was released, featuring a large-scale sparse mixture-of-experts architecture housing 688B total parameters with 33B active parameters.

Developers made the Korean-developed model available on the Hugging Face platform on July 29.

From the sources (2 posts)

@lentils80

A new open-source Korean model called A.X-K2 was released, sporting 688B total parameters with 33B active parameters

@victormustar

RT @_akhaliq: A.X K2 just dropped on Hugging Face Large-Scale Sparse MoE (688B / 33B Active)

Preview built on a synthetic news corpus (16 weeks, Apr–Jul 2026). Impact calls are model reads, not price data.

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