IFM open-sources K2 Horizon fleet with fully inspectable training

IFM open-sourced the K2 Horizon family — six models from 0.9B to 375B parameters, each trained on 20T tokens — with fully inspectable training covering pretraining, reasoning and agents, even including reward-hacking audits.

2026-09-09 ~ 2026-09-09 · 3 related posts