Elon Musk announces Grok 4.6 in two weeks, Grok 4.7 in four weeks as AI arms race accelerates

Elon Musk is apparently done with the concept of breathing room between product launches. On July 24, he posted on X that Grok 4.6 would arrive in two weeks and Grok 4.7 just four weeks after that, a schedule so compressed it makes software sprints look leisurely. The announcement came barely a week after Grok 4.5 launched, which itself was positioned as a competitor to Anthropic’s Opus-class models. What we know about Grok 4.6 and 4.7 Musk’s announcement carried no benchmarks, no pricing details, and no technical deep-dive. What has surfaced through reports is that Grok 4.6 is expected to be a two-trillion-parameter model, a notable jump from Grok 4.5’s approximately 1.5 trillion parameters. Grok 4.5, which launched between July 8 and July 16, was marketed as optimized for coding and knowledge tasks. SpaceXAI claimed it delivered Opus-class performance at higher speeds while being more cost-efficient. Grok 4.6 reportedly builds on this foundation with training supplemented by SpaceX’s internal engineering data. That’s a distinctive advantage no other AI lab can replicate. SpaceXAI’s strategy and the rebrand The company behind Grok underwent a rebrand in July 2026, shifting from xA...