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

Elon Musk says Grok 4, the latest version of the chatbot that went Nazi and posted rape fantasies, is ready to tackle unsolved physics problems.

Elon Musk’s xAI has officially launched Grok 4, the latest iteration of its artificial intelligence model. The release arrives as a slew of public controversies have rocked Musk’s companies.

Tesla CEO Elon Musk warned that humanoid robots will outnumber humans in less than two decades, thanks to his company's latest innovation. "I think by 2040, there will probably be more humanoid ...

Elon Musk has said Optimus — Tesla's humanoid robot — is the company's most important product. The billionaire said this week that Tesla would have "thousands" of Optimus robots working in its ...

The EV maker's sales had been sputtering for some time as concerns mounted over things like stale inventory, which the Cybertruck didn't help all that much, and Musk's distracting antics at X, which he bought a couple of years ago. The underwhelming delivery of Tesla's invite-only robotaxi pilot fleet in Austin, Texas, likely didn't help much.

Elon Musk has said Optimus — Tesla's humanoid robot — is the company's most important product. The billionaire said this week that Tesla would have "thousands" of Optimus robots working in its ...

CEO Elon Musk ... Last year in January, Musk said, “Next year for sure, we’ll have over a million robotaxis.” Reaching a million may take awhile, but Tesla should be able to begin expanding the service this year if the Austin demo gets rolling ...

This was possibly the first time an individual has moved a cursor on a machine using only his mind with no eye-tracking software or external hardware.

Tesla Inc. already had a lot riding on its highly anticipated robotaxi launch long before Elon Musk decided to swing a wrecking ball through his alliance with President Donald Trump — and the ...

CEO Elon Musk said the current version remains a work-in-progress, though Tesla is targeting production of 5,000 units in 2025, with potential to scale to 12,000 depending on parts availability.