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GPT 4.5

OpenAI Launches GPT-4.5: Is it better than GPT-40 and o3 mini?

OpenAI introduced GPT‑4.5—a research preview of its largest and most knowledgeable model yet. Unlike previous iterations, GPT‑4.5 is designed to improve its natural conversational abilities by scaling unsupervised learning rather than focusing on pure chain‐of‐thought reasoning. In a statement, Sam Altman characterized the model as “a giant, expensive model” that may not dominate traditional reasoning […]