OpenAI unveiled on Thursday its GPT-5 artificial intelligence model, the latest iteration of the technology behind ChatGPT, promising broader access and enhanced enterprise capabilities.

GPT-5 will be made available to all 700 million ChatGPT users, OpenAI said, as it seeks to demonstrate significant leaps in performance that justify continued heavy investment in AI infrastructure.

The release comes amid a surge in capital spending by the world’s leading technology firms Alphabet, Meta, Amazon and Microsoft, OpenAI’s principal backer which together plan to invest nearly US$400 billion in AI data centres this fiscal year.

“We’ve built GPT-5 to feel like you can ask a legitimate expert, a PhD-level expert, anything,” OpenAI Chief Executive Sam Altman told reporters at a San Francisco brie

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