Grok 4 gets an AI companion

xAI just launched Grok 4. The xAI benchmark showed it as a new SOTA model, but twitter accounts showed a different story. Some of the highlights include:

• 100× more training than Grok 2 and 10× more RL compute than any other model (img1)
• Grok 4 is single-agent, Grok 4 Heavy is multi-agent with higher performance (img2)
• It achieves state-of-the-art on most public benchmarks: HLE, AIME25, Vending machine, ARC and ARC2 (img 3)
• Local benchmark and empirical testing show a different story (img 4,5,6)

Grok 4 has is Ghibli moment with the sex companions and the unhinged one: