OpenAI introduced the first GPT model (GPT-1) in 2018, publishing a paper called "Improving Language Understanding by Generative Pre-Training." It was based on the transformer … See more

Like its predecessors, GPT-4 has been known to hallucinate, meaning that the outputs may include information not in the training data or that … See more

According to their report, OpenAI conducted internal adversarial testing on GPT-4 prior to the launch date, with dedicated red teams composed of researchers and industry professionals to mitigate potential vulnerabilities. As part of these efforts, they … See more

In January 2023, Sam Altman, CEO of OpenAI, visited Congress to demonstrate GPT-4 and its improved "security controls" compared to other … See more

OpenAI stated that GPT-4 is "more reliable, creative, and able to handle much more nuanced instructions than GPT-3.5." They produced two versions of GPT-4, with context windows of 8,192 and 32,768 tokens, a significant improvement over GPT-3.5 and GPT … See more

OpenAI did not release the technical details of GPT-4; the technical report explicitly refrained from specifying the model size, architecture, or hardware used during either … See more

ChatGPT
ChatGPT Plus is an enhanced version of ChatGPT available for a US$20 per month subscription fee. ChatGPT Plus utilizes GPT-4, whereas the free version of ChatGPT is backed by GPT-3.5. OpenAI also makes GPT-4 … See more