Cursor AI trains first frontier model from scratch (1.5 trillion parameters) on xAI Colossus; demonstrates multi-actor model training at scale.

Cursor AI trains first frontier model from scratch (1.5 trillion parameters) on xAI Colossus; demonstrates multi-actor model training at scale.

Third-party model trainer gains Colossus access, proving neocloud feasibility for frontier research; validates compute-as-utility model.