We knew OpenAI’s GPT-4.5 launch was imminent, and now it has cheekily revealed a live stream is due at 3PM ET today. “Livestream in 4.5 hours,” said OpenAI in a post on X, seemingly confirming references to GPT-4.5 that have been spotted on ChatGPT this week.
Tom Warren

Senior Correspondent
Senior Correspondent
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AMD’s two new GPUs beat Nvidia’s RTX 5070 and put the pressure on pricing.
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Happy GPT-4.5 day to those who celebrate.
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Microsoft’s Copilot can help you pirate Windows 11.
Redditors have discovered that Copilot will recommend a script to permanently activate copies of Windows and Office. It’s a method that’s been available for a couple of years now, but it’s certainly amusing to see Copilot offer up the exact detailed steps.