ChatGPT provider OpenAI is now worth half a trillion US dollars. This valuation can be derived from the current sale of employee shares to investors, as reported by Bloomberg news agency, citing sources familiar with the matter.

After just one day, OpenAI is bringing its popular predecessor GPT-4o back to ChatGPT. Users criticize GPT-5 as soulless and impersonal.

OpenAI has announced GPT-5, the latest generation of its large language models. The system promises significantly improved reliability and will be available to free users for the first time – albeit with usage limitations.

ChatGPT inventor OpenAI has released a new AI model that can be customized by other developers and also runs locally on a notebook.

OpenAI is expanding ChatGPT with a new function for learners. The so-called Study Mode is designed not only to provide answers, but also to promote understanding - with targeted guidance and interactive questions.

OpenAI is about to release its latest language model GPT-5, which is expected to come onto the market in August. This was reported by The Verge, citing informed sources from the company.

The US Department of Defense has awarded the AI company OpenAI a contract worth 200 million US dollars.

A widespread technical malfunction affected numerous users of ChatGPT and other OpenAI services worldwide on Tuesday.