Musk Gave Grok 4.6 a Date, and Quietly Took Away Half a Trillion Parameters
Ten days ago Grok 4.6 was going to be the 2-trillion-parameter model. On Tuesday it became the 1.5T model again, with the bigger one renamed 4.7.
Jul 29, 2026

Ten days ago Grok 4.6 was going to be the 2-trillion-parameter model. On Tuesday it became the 1.5T model again, with the bigger one renamed 4.7.
Jul 29, 2026

Elon Musk says the successor to the 1.5T model behind Grok 4.5 is 'better in every way,' could 'exceed Kimi,' and should keep speed and token efficiency close to today's model.
Jul 19, 2026

A federal judge twice threw out Elon Musk's claim that OpenAI poached engineers to steal secrets; now xAI is taking it to the Ninth Circuit while OpenAI asks the court to declare the case should never have been filed.
Jul 14, 2026

Elon Musk says the new model rivals Anthropic's Claude Opus 4.7 while running faster and cheaper, priced at $2 per million input tokens — a public launch timed one day before OpenAI's GPT-5.6 reaches everyone.
Jul 9, 2026

The rebrand makes it official: the Grok maker no longer exists as a separate company. Its new name signals the plan Musk has pushed since the $1.25 trillion merger — AI compute in orbit.
Jul 8, 2026
