ChatGPT users, including at the free tier, will see GPT-4.5 and GPT-5 next. The hot AI company wants to simplify its GPT and ‘o’ product lines.

Last March, Musk filed a lawsuit claiming OpenAI, a global leader in artificial intelligence innovation which has developed the ChatGPT chatbot, DALL-E image generator and other advanced AI-driven tools, breached promises made in its founding documents and prioritizes profit motive over serving the public good.

Sam Altman is leaving no room for doubt about his views on an Elon Musk-led bid to take control of OpenAI. In a letter to OpenAI staff Monday, the CEO put the words “bid” and “deal” in scare quotes and said the startup’s board has no interest in the offer.