GPT-4.5, Claude 3.7, and Grok 3 each excel in different ways. GPT-4.5 is well-rounded, highly accurate, and widely supported, making it a stable option for general tasks. Claude 3.7 offers strong structured reasoning and coding capabilities at a lower cost, making it ideal for large-scale text or code processing. Grok 3, with its massive architecture and real-time data access, delivers top performance on highly complex problems but may require higher budgets and specialized integration..