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

Grok 4.5 is SpaceXAI's smartest model built for coding, agentic tasks, and knowledge work.

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

There are a lot of new AI models out this week.