Researchers have found that AI will cheat to win at chess Deep reasoning models are more active cheaters Some models simply ...

On Wednesday morning, OpenAI announced via an X post that it began rolling out GPT-4.5 to ChatGPT Plus users. When first ...

Industry leaders find GPT 4.5 an interesting mix of capable model without pushing the boundaries of LLMs too much.

OpenAI is launching GPT-4.5 today, its newest and largest AI language model. GPT-4.5 will be available as a research preview ...

GPT-4.5 is a bridge to the GPT-5 initiative, not a reasoning model itself. OpenAI said its answers more convincingly engage ...

GPT 4.5 is available to the ChatGPT Pro subscribers and developers on all paid tiers. Plus, and Team users will have access ...

Sam Altman claims OpenAIs GPT-4.5 "feels like talking to a thoughtful person" but it comes with a hefty price tag ...

To access GPT-4.5’s API, OpenAI is charging developers $75 for every million input tokens (roughly 750,000 words) and $150 for every million output tokens ...

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

At 37.1%, GPT-4.5's hallucination rate compares with the 61.8% shown by GPT-4o and 44% shown by its o1 reasoning model. GPT-4.5 supports file and image uploads and can also work on writing and ...

OpenAI says its new GPT-4.5, trained on Microsoft's Azure AI supercomputers, is its 'largest and best model for chat yet'.