FrontierSeptember 7, 2026via MarkTechPost
IFM Releases K2 Horizon: Six Apache 2.0 Models From 0.9B to 375B
Why it matters
Open-weight model releases at scale, including a 375B flagship and sub-1B variants, with full training corpus transparency. Signals a new model of frontier lab distribution and reproducibility; practitioners can now benchmark and deploy across the entire size spectrum without vendor lock-in.
Key signals
- Six models released: 375B-A23B, 36B-A4B, 32B, 7B, 3.7B, 0.9B
- Apache 2.0 license (permissive open)
- Pre-training corpus released alongside
- IFM founded by MBZUAI in May 2025
- Includes benchmark tables and evals
- Full size range from tiny to frontier-scale flagship
The hook
IFM just shipped six open models at once—375B down to 0.9B—with the training data and evals. That's not how frontier labs usually move.
Most open model launches release one checkpoint and a benchmark table. The Institute of Foundation Models (IFM) released something wider last week. IFM is the frontier lab launched by MBZUAI in May 2025. K2 Horizon is a fleet of six models: 375B-A23B, 36B-A4B, 32B, 7B, 3.7B and 0.9B. Shipping alongs…