OpenAI on Thursday announced the research preview of GPT-4.5, a general-purpose large language model. It will initially be open to software developers and people with ChatGPT Pro subscriptions. The ...

OpenAI released a new base model on Thursday called GPT-4.5, which the company said is its best and smartest model for chat yet. It’s not a reasoning model like OpenAI’s o1 and o3 models, but it can ...

The new language model will be publicly available for anyone to use, download, modify or deploy, unlike OpenAI's other recent releases, which are closed systems. OpenAI is set to launch an “open” ...

OpenAI’s newest and largest model is being released as a research preview. OpenAI’s newest and largest model is being released as a research preview. OpenAI is launching GPT-4.5 today, its newest and ...

OpenAI launched its most advanced language model Thursday with the release of GPT-5, a flagship product the company says will enhance ChatGPT as it reportedly nears a $500 billion valuation and aims ...