SpaceXAI Launches Grok 4.5—Here’s What’s New About The Company’s ‘Strongest Model Ever’

Elon Musk said the latest version of Grok is “faster, more token-efficient and lower cost” than one of Anthropic’s models.

SpaceXAI releases Grok 4.5, which Elon describes as an ‘Opus-class model’

Elon Musk's tech company released the newest version of Grok on Wednesday, promising a cheaper, more efficient alternative to other powerful AI models.

OpenAI Has New AI Models. Here’s Why You Can’t Use Them

The White House asked OpenAI to delay the rollout of its GPT-5.6 AI models, two weeks after Anthropic had to take its most advanced AI models offline.

Top AI models might be confident—doesn’t mean they’re right

“Mostly right is the wrong bar,” Pearl CEO Andy Kurtzig says, as research tests top AI models against professional judgment.

Mark Zuckerberg returns to X after 3 years to unveil Meta's Muse Spark 1.1 AI model, developer API

Zuckerberg's first activity on the platform in over three years signaled Meta's latest push to compete directly with OpenAI and Anthropic in the rapidly expanding market for enterprise AI models.

Microsoft Makes Big AI Inroads in China by Selling OpenAI Models

Microsoft Corp. has built a big business selling AI models to Chinese companies despite the growing rivalry between the US and China over artificial intelligence.

OpenAI Releases New, More Powerful A.I. Model

The new release was delayed after the U.S. government restricted the latest artificial intelligence models over cybersecurity concerns.