AI News Roundup: Grok 4.5 Hits Tesla, Perplexity's Orchestrator Beats Opus, and Meta Undercuts Pricing

SpaceXAI's newest AI model Grok 4.5 dramatically undercuts Anthropic and OpenAI on price - SiliconANGLE

SpaceXAI released Grok 4.5 at $2/$6 per 1M tokens—half the price of Opus 4.7 ($5/$25) and GPT-5.6 Sol ($5/$30)—with 2x token efficiency. For enterprises running production AI, the pricing advantage directly improves model economics and becomes a primary factor in foundation model selection.