Sam Altman’s OpenAI released GPT-4.5, an upgraded version of the artificial intelligence model that powers ChatGPT, to select users on Thursday.
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 challengesDescribed as OpenAI’s “largest and best model for chat yet,” GPT-4.5 was initially made available as a “research preview” for a limited number of software developers and for ChatGPT Pro subscribers, the San Francisco-based startup said in a blog post.
Altman described GPT-4.5 as “the first model that feels like talking to a thoughtful person to me” – but also tried to temper expectations about the launch.Mark Zuckerberg axes 'roughly 20' Meta employees who leaked company info to media Earlier this month, Musk unveiled the Grok 3 model, which scored higher on tests in math, science and coding than OpenAI’s GPT-4o, Google’s Gemini, Anthropic’s Claude and DeepSeek’s V3 models.The battle between Musk and Altman has also extended to federal court. Musk has filed an antitrust lawsuit against OpenAI and has sought an injunction to block Altman’s plans to transform the startup to a for-profit entity.
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