OpenAI Introduces GPT-4.5: A Leap Forward in AI Technology

On a recent Thursday, OpenAI took a significant step in artificial intelligence by releasing an early version of GPT-4.5. This latest model represents the pinnacle of OpenAI's efforts, showcasing advancements in both pretraining and post-training methodologies.

According to a blog post by OpenAI, GPT-4.5 is designed to enhance recognition capabilities, minimize hallucinations, and improve the model's ability to follow instructions more accurately than ever before.

Breaking Down the Improvements

When compared to its predecessor, GPT-4o, GPT-4.5 boasts a remarkable 62.5% factual accuracy rate, a significant improvement from the 38.2% accuracy of GPT-4o. Furthermore, the hallucination rate has been reduced to 37.1%, down from 61.8%, establishing GPT-4.5 as OpenAI's most reliable model to date.