K2 Horizon: six fully open models from 0.9B to 375B, new SOTA at small scales
HongyiWang10 · x · 2026-09-04
K2 Horizon launches a fleet of six foundation models spanning 0.9B to 375B parameters, focused on coding and agentic tasks.
- Performance: top-tier in every size class, with the 0.9B, 3.7B, and 7B models setting new state of the art at their scales.
- Radical openness: billed as the largest fully open-source launch in AI history, with all code, training data, and recipes released.
Launch page, tech blog, and Hugging Face repos are live.
Related event: MBZUAI's IFM Releases K2 Horizon: Six Fully Open Models from 0.9B to 375B(30 posts)→
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