Grok 4.5, Meta Muse, and Perplexity Orchestrator Reshape AI Agent Landscape

Tesla and SpaceX have been directed to trial xAI's Grok 4.5 within their engineering and operations pipelines, marking a shift from chatbot use to mission-critical deployment. Perplexity integrated Grok 4.5 into its orchestrator system and claims it outperforms Anthropic's Opus on the WANDR benchmark by routing tasks across multiple models rather than relying on one. Meta launched Muse Spark 1.1 via an API priced at roughly 25% of competing offerings, positioning it as a cost-effective default for budget-sensitive AI workflows. ByteDance released Seedream 5.0 Pro across platforms, further consolidating the image-generation market around a handful of well-distributed vendor models. Cursor is also developing an agentic office tool called Sand AI, expanding the coding-agent category beyond code writing into email, documents, and task management.