SpaceXAI Releases Grok 4.5, Musk Calls It an Opus-Class Model
AI News Brief: SpaceXAI officially released its latest model Grok 4.5 on Wednesday — it’s also the first large language model the company has launched since going public. The company positions Grok 4.5 as an all-purpose workhorse model focused on automating everyday knowledge work including programming, office documents, research, and content writing. On cost competitiveness, SpaceXAI claims Grok 4.5’s t…