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- You can now use ChatGPT for free without a login - AOL
On April 1, OpenAI, ChatGPT’s parent company, opened access to their signature AI chat tool There’s no need to register for a login and password, and it’s totally free of charge
- ChatGPT - Wikipedia
Training workflow of original ChatGPT InstructGPT release [15][16] ChatGPT is based on GPT foundation models that have been fine-tuned for conversational assistance The fine-tuning process involved supervised learning and reinforcement learning from human feedback (RLHF) [17] Both approaches employed human trainers to improve model performance In the case of supervised learning, the
- OpenAI head of product shares 5 tips for using ChatGPT - AOL
OpenAI's head of product, Nick Turley, shared five hacks for the many added features in the chatbot's latest model, GPT-4o
- Generative pre-trained transformer - Wikipedia
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 architecture called the transformer They are pre-trained on large datasets of unlabeled content, and able to generate novel content [2][3] OpenAI was the first to apply generative pre-training
- GPTs - Wikipedia
GPTs are customized generative pre-trained transformers accessible through OpenAI 's chatbot ChatGPT They are derived from OpenAI's main GPT models, such as GPT-4o [1] GPTs can be used and created from the GPT Store Any user can easily create them without any programming knowledge [2] GPTs can be tailored for specific writing styles, topics, or tasks The ability to create GPTs was
- ChatGPT users’ personal details exposed in data breach . . .
The company was forced to take ChatGPT offline in March 2023 after researchers discovered a bug that allowed some users to see the private details of other active users, including partial payment
- GPT-4o - Wikipedia
GPT-4o ("o" for "omni") is a multilingual, multimodal generative pre-trained transformer developed by OpenAI and released in May 2024 [2] It can process and generate text, images and audio [3][4] Upon release, GPT-4o was free in ChatGPT, though paid subscribers had higher usage limits [5] GPT-4o was removed from ChatGPT in August 2025 when GPT-5 was released, but OpenAI reintroduced it for
- ChatGPT in education - Wikipedia
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 November 2022 and has had significant improvements as new GPT models were released After pre-training, these GPT models were fine-tuned to adopt an assistant role, improve response accuracy and reduce
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