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 ...

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

OpenAI announced the debut of its GPT-4.5 model on Thursday, unveiling one of the most highly anticipated products in the ...

OpenAI launched GPT-4.5, its newest and largest model, yet the company admits it might not perform as well as the o1 or ...

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 ...

The release of OpenAI’s biggest model ever exposes the tension between building artificial general intelligence and making ...

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

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

According to OpenAI's own benchmark results, GPT-4.5 scored significantly lower than OpenAI's simulated reasoning models (o1 and o3) on tests like AIME math competitions and GPQA science ...

OpenAI launches GPT-4.5, a conversational-focused AI model with record-high pricing, mixed benchmark performance, and ...

So far, GPT-4.5 has proven more accurate than GPT-4, with a Simple QA accuracy of 62.5% and a hallucination rate of 37.1%. It ...