Elon Musk says Grok 4.5 has entered private beta at SpaceX and Tesla, built on a 1.5-trillion-parameter foundation.

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

What if the most profound leap toward Artificial General Intelligence (AGI) wasn’t a headline-grabbing announcement, but a quiet breakthrough flying under the radar? Enter Grok 5, a development that ...

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

Elon Musk has revealed that Grok 4.5 is now being tested internally at SpaceX and Tesla, claiming early evaluations place the ...

Musk said reinforcement learning is continuing to improve the model and that "Grok Build," xAI's coding-agent harness, is ...

With all the AI news coming out each week, some of the more significant advancements can be hard to track. Grok 4 Fast is streamlined version of xAI's flagship Grok 4 model released back in July 2025.

Grok, the AI chatbot launched by billionaire Elon Musk, has declined in usership throughout 2026 so far across both mobile apps and website visits, according to data from Similarweb, as many of the ...

A year ago, turning a written idea into a finished video meant a camera, a timeline editor, and hours of work. Today, a ...