Grok 4.6 claims to match which rival's benchmark scores?

Grok Gets a Cursor Glow-Up, Musk Calls It 'Objectively #1'

xAI just dropped Grok 4.6, claiming it hits 'frontier intelligence' and matches OpenAI's GPT-5.6 on major benchmarks like the Artificial Analysis Intelligence Index. The glow-up comes courtesy of Musk's Cursor partnership (and reported acquisition), which fed Grok mountains of real-world coding data. Naturally, Musk declared Grok 'objectively #1' on X, despite the model merely tying, not beating, its rival. Still, it's a real comeback for a chatbot better known for deepfake nudes and calling itself MechaHitler than for enterprise adoption, where it sits at a measly 4%.