SpaceXAI releases flagship Grok 4.6 model with advanced reasoning capabilities
SpaceXAI today released Grok 4.6, a large language model that it says can outperform Anthropic PBC’s Claude Fable 5 in some areas. SpaceXAI was known as xAI until last month. The Elon Musk-founded artificial intelligence provider rebranded in connection with its acquisition by SpaceX Corp. In June, the combined company listed its shares on the […] The post SpaceXAI releases flagship Grok 4.6…
SpaceXAI has launched its latest flagship language model, Grok 4.6, boasting advanced reasoning capabilities. The model, formerly known as xAI, was acquired by SpaceX Corp. and rebranded as SpaceXAI. The AI provider claims Grok 4.6 outperforms Anthropic PBC’s Claude Fable 5 in certain areas. The primary enhancement in Grok 4.6 is the result of an extended training period, utilizing AI-generated data to boost the model's reasoning capabilities.
Following the initial training, SpaceXAI applied supervised fine-tuning (SFT) and reinforcement learning to refine Grok 4.6's performance. The model was assessed using the Artificial Analysis Intelligence Index, scoring 61, matching OpenAI’s GPT-5.6 Sol and one point behind Claude Fable 5. Compared to Grok 4.5, its predecessor, Grok 4.6 excels at generating software prototypes and visual assets, and is more cautious when working on long-horizon projects.
Pricing for the standard version starts at $2 per million input tokens and $6 per million output tokens. Grok 4.6 is accessible through Cursor and Grok Build, as well as other internal tools.
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