New research reveals how ChatGPT fetches pages, selects sources, and summarizes content — with practical prompts to test your own site. When OpenAI switched default models on March 4, the number of ...

On Friday, OpenAI launched a new set of personal finance tools in preview for ChatGPT Pro subscribers in the U.S., letting them connect their accounts and ask questions ranging from spending analysis ...

Americans ask OpenAI's ChatGPT artificial intelligence more than 200 billion prompts every year, according to a new study that estimates the usage costs more than $517 million in electricity.

When OpenAI switched default models on March 4, the number of websites cited per response dropped by a fifth, and never recovered. But the citation drop is only part of the story. We also ...

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 ...

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