OpenAI claims GPT-5 model boosts ChatGPT to 'PhD level'

OpenAI claims GPT-5 model boosts ChatGPT to 'PhD level'Thu, 07 Aug 2025 19:15:55 GMThttps://www.bbc.com/news/articles/cy5prvgw0r1o?at_medium=RSS&at_campaign=rss