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

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

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

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

Its GPT-4.5 model is also better able to recognize patterns, draw connections and think more creatively, according to the ...

Welcome back to Week in Review. This week we’re diving into OpenAI’s newest, biggest model GPT-4.5, Microsoft pulling the plug on Skype, how Anthropic used Pokémon Red to train its Claude 3.7 ...

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 ...

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 ...

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 ...

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 ...