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OpenAI o3 is a reflective generative pre-trained transformer (GPT) model developed by OpenAI as a successor to OpenAI o1. It is designed to devote additional deliberation time when addressing questions that require step-by-step logical reasoning. [1] [2] OpenAI released the smaller model, o3-mini, on January 31st, 2025. [3]
GPT-4o ("o" for "omni") is a multilingual, multimodal generative pre-trained transformer developed by OpenAI and released in May 2024. [1] GPT-4o is free, but ChatGPT Plus subscribers have higher usage limits. [2]
OpenAI has unveiled a preview of its new o3 reasoning models, which, CEO Sam Altman said immodestly, begin the “next phase” of AI. The models, announced Friday, did so well on a prominent ...
Generative Pre-trained Transformer 2 (GPT-2) is a large language model by OpenAI and the second in their foundational series of GPT models. GPT-2 was pre-trained on a dataset of 8 million web pages. [2] It was partially released in February 2019, followed by full release of the 1.5-billion-parameter model on November 5, 2019. [3] [4] [5]
OpenAI trained the model using publicly available videos as well as copyrighted videos licensed for the purpose, but did not reveal the number or the exact source of the videos. [5] Upon its release, OpenAI acknowledged some of Sora's shortcomings, including its struggling to simulate complex physics, to understand causality , and to ...
The CLIP models released by OpenAI were trained on a dataset called "WebImageText" (WIT) containing 400 million pairs of images and their corresponding captions scraped from the internet. The total number of words in this dataset is similar in scale to the WebText dataset used for training GPT-2 , which contains about 40 gigabytes of text data.
OpenAI, in a blog post, has unveiled a version of its artificial intelligence chatbot specifically built for colleges and universities. ChatGPT Edu, the company says, will allow educators “to ...
When OpenAI debuted its latest AI model, GPT4-o, in a slick live webcast this past May, it was Mira Murati, the company’s chief technology officer, not the company’s better-known CEO, Sam ...