“Friday Night Lights [@lmarena_ai] 🚨 Leaderboard Disrupted! Grok-4-fast by @xAI has arrived in the Arena, and it’s shaking things up! ⚡️ 🏆 #1 on the Search Leaderboard Tested under the codename “menlo,” Grok-4-fast-search just rocketed to the top spot with the community. 💠 Tied for #8 on the Text Leaderboard”