K2 Horizon Foundation Model Ships with 100% Verifiable Training Data

The Institute of Foundation Models released the K2 Horizon open-weights model family, setting an unprecedented transparency benchmark by publishing 100% of its raw training corpora, data filtering pipelines, and pre-training checkpoint logs. Unlike closed commercial models, K2 Horizon provides verifiable legal and data provenance, making it a preferred candidate for regulated enterprise environments facing stringent compliance audits.