Altman admits GPT-5 launch backfired

Sam Altman said OpenAI “screwed up” GPT-5’s debut after users found the model colder and less human — forcing the company to roll back to GPT-4o.

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- Users complained GPT-5 felt distant and unfriendly compared to earlier versions

- Altman still plans to spend trillions on new data centers to power future models

- He warned the AI sector is in a bubble, with investors “overexcited about a kernel of truth”

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Altman’s message: the launch was a stumble, but the infrastructure bet is only getting bigger.