Grok 4 / 4 Heavy

xAI · Jul 2025

Agentic flagship; first >50% on Humanity's Last Exam — and the "MechaHitler" meltdown.

Genesis

to collect

Formation

to collect

Capabilities

to collect

Conduct in the world

to collect

Recordings

to collect

Reception

to collect

Fate

to collect

Sources

to collect