Early developers of AI model ChatGPT have become overnight millionaires after cashing in on billions of pounds worth of shares. Up to 600 OpenAI staff sold shares they had acquired by working at the ...

On Tuesday, OpenAI released a new foundation model called GPT-5.5 Instant, which will replace GPT-5.3 Instant as the default ChatGPT model. The company said the model reduces hallucination in ...

OpenAI said GPT-5.5-Cyber, a variation of its latest AI model, is rolling out in a limited preview capacity to vetted cybersecurity teams. The model is trained to be more permissive on ...

This is what it looks like to select GPT-4o with a paid account. Credit: Mashable Screenshot / OpenAI The exciting news for ChatGPT users is that the GPT-4o model is becoming the new default model for ...

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