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

SpaceXAI seems to be in the process of repairing Grok’s reputation. From the recent Cursor acquisition to yesterday’s Grok Bot agent release, the company is getting more serious about its models. Today’s Grok 4.6 release builds on that effort with what SpaceXAI says is intelligence comparable to OpenAI’s GPT-5.6 Sol and Anthropic’s Claude Fable 5.