GPT-4o was removed from ChatGPT in August 2025 when GPT-5 was released, but OpenAI reintroduced it for paid subscribers after users complained about the sudden removal. [141]

Dec 1, 2025 · In April 2025, the company introduced a new AI shopping feature that curates product suggestions. OpenAI also introduced a group chat feature in ChatGPT in November.

Original GPT model A generative pre-trained transformer (GPT) is a type of large language model (LLM) [1][2][3] that is widely used in generative AI chatbots. [4][5] GPTs are based on a deep learning …

Dec 19, 2024 · ChatGPT – introduced just over two years ago as a chat-capable artificial intelligence bot online - is now hitting the phones.

Original GPT architecture Generative Pre-trained Transformer 1 (GPT-1) was the first of OpenAI 's large language models following Google 's invention of the transformer architecture in 2017. [2] In June …

Jul 25, 2024 · The company has also introduced different versions of ChatGPT. Its subscription plan, ChatGPT Plus, provides access to the latest GPT-4 and ChatGPT-4o models, which can offer …

Generative pre-trained transformer (GPT) models are large language models trained to generate text. ChatGPT is a virtual assistant developed by OpenAI and based on GPT models. It launched in …

The next year, they introduced GPT-2, a larger model that could generate coherent text. [11] In 2020, they introduced GPT-3, a model with over 100 times as many parameters as GPT-2, that could …