Grok 4.20

Arena.ai: Grok 4.20 beta1 (single agent) debuts #1 on Search Arena, and #4 overall in Text Arena!

Highlights:
- #1 in Search, scoring 1226, leading GPT-5.2 and Gemini-3
- #4 in Text, scoring 1492 on par with Gemini 3.1 Pro

Congrats to the @xAI team and @elonmusk on this impressive