Tesla's 2026 Summer Update is rolling out with new Grok commands, Caraoke scoring, smarter navigation, and mobile-app ...

One ESPN College Football Analyst said the pressure is to "win now" for Lane Kiffin, but Grok's most likely outcome for LSU Football creates conflict on success vs failure in year one.

Marking one of the first times an AI firm has sued its own user, xAI signals zero tolerance for those manipulating its ...

Elon Musk-led SpaceXAI has launched Grok 4.5, its latest artificial intelligence (AI) model, which the company describes as ...

AI researchers say today's models lack key traits of wisdom. A growing movement argues the next breakthrough will come from ...

He added that the model is still improving through reinforcement learning. "RL is continuing to significantly improve the model, and the Grok Build harness gets better every day," ...

Elon Musk’s artificial-intelligence startup xAI has sued a South Carolina man arrested earlier this year on charges of ...

Elon Musk says Grok 4.5 is testing at Tesla and SpaceX, with Opus-level performance claims and a C/C++ rewrite planned for major AI training gains in 2026.

Elon Musk has revealed that Grok 4.5 is now being tested internally at SpaceX and Tesla, claiming early evaluations place the model close to, or potentially ahead of, Anthropic’s Claude Opus. He also ...

Elon Musk announced Grok 4.5's private beta, asserting its performance rivals or surpasses Anthropic's Opus, with ongoing reinforcement learning enhancements.

Elon Musk announced xAI's Grok 4.5 is in private beta testing, claiming its performance rivals or surpasses Anthropic's Opus, with internal evaluations showing promising results.

According to Musk, early evaluations indicate that the model's performance is close to, and may even exceed, Anthropic's Claude Opus.