Sam Altman’s OpenAI released GPT-4.5, an upgraded version of the artificial intelligence model that powers ChatGPT, to select users on Thursday as it looks to stave off challenges from rivals like Elon Musk’s xAI.

OpenAI just introduced GPT-4.5, calling it the most human-like AI yet. According to OpenAI’s CEO Sam Altman, the model delivers thoughtful

Welcome back to Week in Review. This week we’re diving into OpenAI’s newest, biggest model GPT-4.5, Microsoft pulling the plug on Skype, how Anthropic used Pokémon Red to train its Claude 3.7 Sonnet model,

OpenAI CEO Sam Altman has unveiled the company's latest large language model, dubbed GPT-4.5. The long-awaited AI model isn't just really powerful, it's extremely expensive for end consumers. OpenAI is charging a whopping $75 per million tokens,

GPT-4.5, OpenAI's big new model, represents a significant step forward for AI's industry leader. It could also be the end of an era. The big picture: 4.5 is "a giant, expensive model," as OpenAI CEO Sam Altman put it.

OpenAI's GPT-4.5 introduces enhanced intelligence, emotional awareness, and reduced hallucinations. Available for ChatGPT Pro users, it improves writing, coding, and problem-solving tasks.

OpenAI has unveiled GPT-4.5, its most advanced Artificial Intelligence (AI) language model to date. As of now, the new model is available as a research preview for ChatGPT Pro users and developers worldwide.