SpaceXAI releases Grok 4.6, claiming GPT-5.6 Sol and Claude Fable 5-level intelligence - 9to5Mac

SpaceXAI releases Grok 4.6, claiming GPT-5.6 Sol and Claude Fable 5-level intelligence - 9to5Mac

SpaceXAI released Grok 4.6, achieving an Artificial Analysis Intelligence Index score of 61—matching OpenAI's GPT-5.6 Sol at maximum reasoning and trailing Claude Fable 5 by one point, with API pricing starting at $2/M input tokens. For engineering teams, this positions Grok 4.6 as a frontier-tier alternative for agentic workflows, coding, and knowledge work at competitive cost, available across Cursor, API, and multiple inference platforms.