The current version of ChatGPT is based on the GPT-4 model, which was trained on all sorts of written content including websites, books, social media, news articles, and more — all fine-tuned in ...

But it could be the last release in OpenAI's classic LLM lineup.

The San Francisco-based company on Thursday unveiled GPT-4.5, its long-awaited update to the technology that underpins its popular product ChatGPT. In early tests, its hallucination rate ...

OpenAI may be preparing to slap a new coat of paint on ChatGPT with an updated AI model, GPT-4.5, as early as next week. If that’s not enough to get users excited, the Sam Altman-led company is ...

Lightcap also revealed that OpenAI is preparing to launch GPT-4.5 and GPT-5, with the latter set to merge the company’s GPT and o-series models into a single, more powerful system.