Congratulations @rookisaacman on becoming the @nasa administrator.There is no one more deserving. https://t.co/Qh3Yb5Iwj4Jared Isaacman (@rookisaacman):Well it is official now..I want to again express my sincere appreciation to President Donald J. Trump @POTUS for nominating me to lead NASA, and to the United States Senate--and Chairman Cruz @tedcruz - for their diligence and fairness throughout the confirmation process. I am https://t.co/T4weWTKUfG ...

My Cybertruck got shot with all the John Wick guns and the glass still worked by going up and down. @ArmoredCG https://t.co/Ol21hzm6eC ...

BREAKING 🚨 Tesla insurance is live in Florida(Limited to buyers of new Teslas)Ron DeSantis (@RonDeSantis):Tesla insurance is live in FL — right now limited to buyers of new Teslas. ...

Friend sent this over 🤯Cybertruck is a beast!! https://t.co/lZ86dLYLkc ...

Elon Musk “Optimus will actually eliminate poverty and provide incredible medical care. In time, Optimus could even surpass the best human surgeons.”https://t.co/qjH8dxz6xJ ...

Grok — #1 Positions Only (December 18)#1 Overall on OpenRouter Leaderboard#1 in Token Share (27.4%)#1 in Language Token Share (130B tokens)#1 Market Share on OpenRouter (xAI: 32.3%)#1 Most Used LLM for English#1 on Kilo Code Leaderboard#1 on EQ-Bench3 (Highest Emotional Intelligence score ever recorded)#1 on Tau-Squared Bench (Agentic Tool Use)#1 on Berkeley Function Calling Benchmark#1 on FActScore (Lowest factual error rate)#1 on CyBench#1 on LMArena Text Arena (Thinking Mode) ...

Elon Musk“What I mentioned that Grok reading everything and recommending any given thing to anyone should go live in December. So that's the acid test with us. Is are you saying content like, are you saying content that you find really interesting from accounts you've never seen before?" ...

Santa loves the new Model Y performance https://t.co/GEKVnZrhMQ ...

Market Position - Grok Code Fast 1 is the most deployed and trusted model in production [1] - Overall 1 on OpenRouter [2] - The model holds 39% market share based on 508 billion tokens processed [2] Usage & Popularity - Grok Code Fast 1 is the most-used model by developers globally [2] - The model is 1 in Token Usage & Market Share [2] - The model is the most popular LLM for English usage [2]

BREAKING: 🧠 Grok 4.1 & 4.1 Fast, Best Human-Like Intelligence#1 Emotional Intelligence (EQ-Bench3)#1 in Agentic Tool Use & Function CallingLowest factual error rate in classTop performer on LMArena (human preference benchmark)This is the most human-aligned frontier model, ideal for assistants, agents, and complex decision-making. ...