xAI has just unveiled Grok 4, marking the company’s leap into AI supremacy. This is claimed to be a full-on revolution in what an AI assistant can pull off. Elon Musk called it “the same model physicists use,” and it’s clear Grok 4 is here to flex some serious muscle.
Introducing Grok 4, the world's most powerful AI model. Watch the livestream now: https://t.co/59iDX5s2ck
— xAI (@xai) July 10, 2025
At its core, Grok 4’s all about next-level reasoning. Trained on xAI’s beastly Colossus supercomputer, packing 200,000 GPUs, it tackles tough problems like a scientist on a mission. “Grok 4 reasons from the ground up, not just spitting out memorized facts,” Musk said at the launch, hyping its knack for unraveling complex questions. It’s already outshining heavyweights like OpenAI’s GPT-4o on benchmarks like the American Invitational Mathematics Examination (AIME) and Graduate Physics Question Answering (GPQA).
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Grok 4 steps up with multimodal powers, going way beyond text-only chats. It now handles images and might soon take on video, a huge leap from Grok 3’s text-only days. “We added vision to make Grok a true sidekick,” an xAI engineer shared during the stream. Snap a pic of a circuit board for troubleshooting or a graph for quick analysis, and Grok 4’s got it covered like a pro.
For coders, Grok 4 Code is a total win, built just for developers. “It’s like having a senior engineer right in your IDE,” an xAI team member said, pointing to its ability to write, debug, and explain code with jaw-dropping accuracy. Unlike generic AI, it syncs with your coding setup, catching errors early and offering real-time tips. Testers are raving about its 130K token context window, which lets it juggle massive codebases without breaking a sweat.
Grok 4’s made for everyone, not just tech wizards. It’s open to X Premium+ and SuperGrok subscribers, plus free with limited quotas on grok.com and mobile apps. “We want Grok in every pocket,” Musk said, tying it to X’s 600 million active users. The standalone iOS app, with Android support coming soon, keeps it by your side. Features like DeepSearch and Think modes—toggled with UI buttons—let you flip between quick answers and deep dives, perfect for everything from casual questions to brain-busting puzzles.
The numbers don’t lie. Grok 4’s Elo score of 1402 on LMSYS’s Chatbot Arena leaderboard beats out Claude 3.5 Sonnet and GPT-4-Turbo, with only ChatGPT-4o and Gemini edging it out in early tests. Its self-correcting system learns from slip-ups on the fly, keeping answers sharp without needing constant retraining. “Grok 4 adapts right away, not weeks later,” Musk bragged, and it’s hard to argue with that.
