grok
2 articles
Grok 4.20 Beta: Lowest Hallucination Rate Ever, But Still Playing Catch-Up on Smarts
xAI released Grok 4.20 Beta with API access. Artificial Analysis found the best hallucination rate it has tested, while intelligence still trails the frontier. The sharper question: what if being honest matters more than being smart?
xAI Blasts Off: SpaceX Acquires xAI, Musk Wants Data Centers in Space
SpaceX acquired xAI to create a $1.25T private company. The cash helps xAI compete, but Musk's bigger bet is solar-powered data centers in space, where heat dissipation and debris may be harder than training LLMs.