OpenAI chief research scientist Jakub Pachocki said Paul Graham's "Hackers and Painters" inspired him when he was 15.

Aug 15 (Reuters) - Current and former employees of OpenAI are looking to sell nearly $6 billion worth of the ChatGPT maker's shares to investors including SoftBank Group (9984.T) and Thrive Capital, a source familiar with the matter told Reuters on Friday.

The return of GPT-4o comes after what Altman described as OpenAI underestimating "how much some of the things that people like in GPT-4o matter to them." In an attempt to simplify its offerings, OpenAI had initially removed all previous AI models from ChatGPT when GPT-5 launched on August 7,

Checkmate: OpenAI's o3 swept Musk's Grok 4 in an AI chess showdown.

On a call with reporters Wednesday previewing the new chatbot, Altman likened GPT-5 to a Ph.D.-level expert. The new chatbot is also "the biggest single step forward" that OpenAI has taken in worldwide accessibility, Altman said.

In March 2026, a jury will hear OpenAI's claims of a "years-long harassment campaign" by Musk via social media, press, and legal moves.

OpenAI released its first open-weight model in years. Analysts say it could narrow China's lead in the open-source AI race.

GPT-5 is OpenAI’s latest, and now flagship, AI model. This new version is now the default system for a range of AI chatbots. OpenAI says GPT-5 is much more intelligent that the previous GPT-4 mode, with major improvements in complex front-end generation.

OpenAI has released GPT-5, the latest version of the AI technology behind ChatGPT. This update is being closely watched to see if the frontier of generative AI is advancing or plateauing.

Quantifying the environmental impact of generative artificial intelligence (AI) and large language models (LLMs) like ChatGPT has been an elusive endeavor, and as The Guardian observed, OpenAI and CEO Sam Altman have been frustratingly opaque about the energy demands of its newest offering, GPT-5.