Grok 4 stands as Elon Musk’s boldest AI release to date. Positioned to compete directly with OpenAI’s GPT-5 and Anthropic’s Claude 4 Opus—both recently praised for their rapid processing, sharp reasoning, and cutting-edge visual capabilities—Grok 4 aims to match, if not exceed, the current benchmarks in the AI landscape.

Though Trump and Musk are on the outs, workers with longstanding ties to the Tesla billionaire remain embedded in the government.

Grok 4 AI model launches with major upgrades; Elon Musk predicts it could invent new technologies and discover physics by 2026.

The antisemitic posts from Grok came days after Elon Musk wrote on X that the chatbot had been improved "significantly."

Posts praising Hitler show the risks of accelerating the nascent technology with little stress testing and few guardrails

On paper, Grok 4 is Musk’s most ambitious AI model yet. The model is expected to rival OpenAI’s GPT-5 and Anthropic’s Claude 4 Opus, both of which have recently dominated headlines for their real-time speed, reasoning and advanced vision.

Uday Ruddarraju, xAI's head of infrastructure engineering, has resigned after a year, having been instrumental in building the Colossus supercomputer and training Grok 3. He expressed gratitude to Elon Musk and the xAI team for the experience.