models · mbzuai

K2 Horizon 375B A23B

K2 Horizon 375B A23B — catalogued from third-party evaluation data; no weights held by Sovereign Frontier.

What this registry has checked

Quarantine. We hold the publisher’s own published hash for these weights and have recorded it against this entry. We have not downloaded and hashed the weights ourselves, so the hash is the publisher’s claim, not our measurement.

Method	hf-published-sha256

Re-check this yourself → Source → Full record →

What is recorded

Publisher	mbzuai
Origin	United Arab Emirates
Licence	Apache-2.0
Parameters	379,167,159,168 (379.2B)
Architecture	k2_horizon
Layers	61
Hidden size	6144
Attention	GQA (48 heads, 8 KV)
Native precision	BF16
Downloads reported upstream	574

Reported scores

GPQA Diamond	87.3
Humanity's Last Exam	32

Reported by a third party and recorded here, not re-run by us. Source: artificialanalysis.ai/api/v2.

Elsewhere in the registry

All models → Browse with filters → What will run on my hardware? →

Registry record as of 2026-09-04. Identity, licence and parameter count are properties of a release and do not move; tier can, and the verify link above re-checks it against the live registry rather than this page.