Elon Musk's SpaceXAI was largely written off as a has-been AI enterprise a while back. And yet, it has proven its detractors egregiously wrong with the all-new Grok 4.6, an AI model that goes toe-to-toe with Anthropic's Fable 5 and OpenAI's GPT-5.6 Sol at a fraction of price.

SpaceXAI's Grok 4.6 offers comparable performance to Anthropic's Claude Fable 5 and OpenAI's GPT-5.6 Sol when it comes to Artificial Analysis Intelligence Index. It also tops the leadership board on GDPVal-AA v2, AA-Briefcase, and Harvey LAB (Vals) benchmarks.

What's more, Grok 4.6 is around half the price of other frontier models at $2 per 1 million of input tokens and $6 per 1 million of output tokens.

Just today, DeepSeek released its V4-Pro model , pricing it at $0.435 per 1 million tokens of input and $0.87 per 1 million tokens of output.

Meanwhile, as we reported recently, SpaceX will bring around 2 gigawatts of compute online by the end of 2026, while targeting "closer to 10 than 5" gigawatts of compute by the end of 2027, replete with a tentative 20 gigawatt of power-and-cooling load.

Do note that, as of May 2026, SpaceXAI's Colossus 1 data center supported over 220,000 NVIDIA GPUs , divided between H100, H200, and around 30,000 units of the GB200 AI accelerators.

Meanwhile, the Colossus 2 data center currently boasts of over 550,000 GPUs , divided between GB200 and GB300 accelerators.

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