Elon Musk has launched xAI’s Grok 4—calling it the “world’s smartest AI” and claiming it can ace Ph.D.-level exams and outpace rivals such as Google’s Gemini and OpenAI’s o3 on tough benchmarks

Elon Musk’s xAI has launched Grok 4, its latest AI model, with advanced reasoning, code tools, meme fluency and real-time web access. Early tests show Grok 4 outperforms OpenAI’s o3 and Google’s Gemini 2.

Discover Grok 4, the AI model redefining advanced reasoning and problem-solving. Explore its potential, challenges, and ethical implications.

TechnologyAdvice's Grant Harvey provides a deep dive on Grok 4, the "new" model from Elon Musk's AI company xAI.

OpenAI’s embrace of Google Cloud servers isn’t stopping it from launching a direct assault on several of Google’s core products. Its next target: Chrome.Reuters on Wednesday reported that OpenAI’s web browser is coming soon.

“If [it’s] given the SAT, it would get perfect [scores] every time,” Musk said. He further revealed that on graduate-level tests like the GRE, Grok-4 reportedly scored near-perfect in every discipline of education, from humanities to languages, math, physics, and even engineering.

On Wednesday night, Elon Musk unveiled xAI's latest flagship models Grok 4 and Grok 4 Heavy via livestream, just one day after the company's Grok chatbot began generating outputs that featured blatantly antisemitic tropes in responses to users on X.