OpenAI Unveils GPT-4.5: A New Era of Thoughtful AI Conversations OpenAI has just released GPT-4.5—the company’s largest and most conversational language model to date. Described by CEO Sam Altman as “the first model that feels like talking to a thoughtful person,” GPT-4.5 is making waves for its enhanced natural dialogue, emotional nuance, and improved accuracy. https://aihorizonx.substack.com/p/openai-unveils-gpt-45-a-new-era-of