Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
GPT-4.1
open-in-new
<p>GPT-4.1 is a <a href="/facts/Large_language_model/WnogWVJY">large language model</a> within <a href="/facts/OpenAI/V7WVK1t4">OpenAI</a>'s <a href="/facts/Generative_pre-trained_transformer/myah4Tjj">GPT</a> series. It was released on April 14, 2025. GPT-4.1 can be accessed through the OpenAI API or the OpenAI Developer Playground. </p>