OpenAI has unveiled GPT-4.5, code-named Orion, marking what the company calls its largest model so far. Many in the tech ...

Article provides an examination of the benefits and limitations of these AI tools, and guidance on how to effectively ...

In response to the pre-training hurdles ... beginning with GPT-5 later this year. GPT-4.5, which reportedly was incredibly ...

OpenAI on Thursday released an early version of GPT-4.5, a significant update to the large language model underlying ChatGPT ...

The company said robust pre-training helps models like GPT-4.5 better absorb general knowledge ... It will continue to train the model during the research preview period, which will launch ...

The AI research company OpenAI introduced GPT-4.5 dubbed "Orion," the largest and most powerful computing model to date.

This footnote seems silly, but on the other hand we know some journalists will try to get clicks by writing something silly so here we are pre ... GPT-4.5 drops. OpenAI engineers who train these ...

Note that GPT-4.5 is not a reasoning model like o1 or o3-mini. It is better for general purpose use, and is built using pre-training and post-training. Reasoning models outperform GPT-4.5 at tasks ...

GPT-4.5 was developed using the same key technique – dramatically increasing the amount of computing power and data during a "pre-training" phase called unsupervised learning — that OpenAI ...

In response to the pre-training hurdles ... beginning with GPT-5 later this year. GPT-4.5, which reportedly was incredibly expensive to train, delayed several times, and failed to meet internal ...