OpenAI rolled out a research preview of GPT-4.5, it's "largest and most knowledgeable model yet," on Thursday.

OpenAI has unveiled GPT-4.5, and even though its development was expensive, the model has a similar performance to the ...

Before any of those big upgrades arrive, OpenAI gave GPT-4o an unexpected upgrade that should improve the entire ChatGPT experience. The upgrade might also make ChatGPT Search better than before ...

OpenAI just released GPT-4.5, but average users won't have access yet. The model is only available on the company's ...

And the current standard model GPT-4o, is pretty good in most cases. And if you want a comprehensive report, there's the Deep Research feature. OpenAI claims that GPT-4.5 has a high emotional ...

The GPT-4o model (with an "o" that stands for omni) was initially released in May and impressed users with its ability to handle text, audio, and images as inputs and outputs. OpenAI recently ...

I was curious about whether ChatGPT would be able to punch up that headline, so I tried to do that using both the newest model and GPT-4o, a past release the company describes as “great for most ...

which is 30x the input cost and 15x the output cost of OpenAI’s workhorse GPT-4o model. All that being said, GPT-4.5’s increased size has given it both “a deeper world knowledge” and ...

The 4o upgrade includes additional training on more than 275,000 high-quality public repositories in over 30 popular ...

However, the company introduced us to GPT-4o. Now, in the year 2025, we’re finally hearing about GPT-5, as Sam Altman told us about OpenAI’s roadmap. However, before getting into that ...