gpt-4.5

OpenAI plans to phase out GPT-4.5, its largest-ever AI model, from its API

OpenAI said on Monday that it would soon wind down the availability of GPT-4.5, its largest-ever AI model, via its API. GPT-4.5 was released only in late February. Developers will have access to GPT-4.5 via OpenAI’s API until July 14, after which they’ll have to transition to another model in OpenAI’s catalog, the company says. […]

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OpenAI’s GPT-4.5 is better at convincing other AIs to give it money

OpenAI’s next major AI model, GPT-4.5, is highly persuasive, according to the results of OpenAI’s internal benchmark evaluations. It’s particularly good at convincing another AI to give it cash. On Thursday, OpenAI published a white paper describing the capabilities of its GPT-4.5 model, code-named Orion, which was released Thursday. According to the paper, OpenAI tested

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OpenAI cancels its o3 AI model in favor of a ‘unified’ next-gen release

OpenAI has effectively canceled the release of o3, which was slated to be the company’s next major AI model release, in favor of what CEO Sam Altman is calling a “simplified” product offering. In a post on X on Wednesday, Altman said that, in the coming months, OpenAI will release a model called GPT-5 that

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