Llm

Grok 4 - xAI's Flagship Reasoning Model

Grok 4 - xAI's Flagship Reasoning Model

Grok 4 is xAI's frontier reasoning model, the first to break 50% on Humanity's Last Exam, with a 256K context window, $3/M input pricing, and a Heavy multi-agent variant built on 200,000 GPUs.