SpaceXAI debuts Grok 4.6, overtaking Kimi K3's performance and… | HappeningNow.news

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SpaceXAI debuts Grok 4.6, overtaking Kimi K3's performance and matching GPT-5.6 Sol for world's third best on Artificial Analysis

Elon Musk's company SpaceXAI, formerly known as xAI, has released Grok 4.6 , its latest frontier AI model, with a focus on long-running agents, coding and knowledge work — and a pricing strategy designed to make those workloads cheaper to…

Source AI Summary Published August 12, 2026 Brief Under 1 min brief
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SpaceXAI released its new AI model Grok 4.6, targeting long‑running agents, coding, and knowledge work while offering a pricing strategy to reduce costs for those workloads. The model earned a score of 61 on the third‑party Artificial Analysis Intelligence Index, surpassing the Chinese open‑weights model Kimi K3 and tying with OpenAI’s GPT‑5.6 Sol Max. Grok 4.6 improves five points over its predecessor, Grok 4.5 High. Claude Opus 5 and Fable 5 remain the top two models on the index.

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