IFM Open-Sources K2 Horizon Model Fleet From 0.9B to 375B

IFM has open-sourced the K2 Horizon family of six models from 0.9B to a 375B MoE, each trained on 20T tokens, with fully inspectable training data, pipelines, and even reward-hacking audits—a new transparency benchmark.

2026-09-09 ~ 2026-09-10 · 4 related posts

• IFM's K2 Horizon aims to make the whole training pipeline inspectable — kimmonismus · 2026-09-09
• IFM's K2 Horizon: six models from 0.9B to 375B with only 4B/23B active params — kimmonismus · 2026-09-09
• IFM open-sources K2 Horizon: six models, 20T tokens each, and a public reward-hacking audit — kimmonismus · 2026-09-09
• IFM's 375B MoE open-weights model K2-Horizon trends on Hugging Face — IFM · 2026-09-10