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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]
Generative pretraining (GP) was a long-established concept in machine learning applications. [16] [17] It was originally used as a form of semi-supervised learning, as the model is trained first on an unlabelled dataset (pretraining step) by learning to generate datapoints in the dataset, and then it is trained to classify a labelled dataset.
Although decoder-only GPT-1 was introduced in 2018, it was GPT-2 in 2019 that caught widespread attention because OpenAI at first deemed it too powerful to release publicly, out of fear of malicious use. [14] GPT-3 in 2020 went a step further and as of 2024 is available only via API with
An improved version, FlashAttention-2, [77] [78] [79] was developed to cater to the rising demand for language models capable of handling longer context lengths. It offers enhancements in work partitioning and parallelism, enabling it to achieve up to 230 TFLOPs/s on A100 GPUs (FP16/BF16), a 2x speed increase over the original FlashAttention.
AI experts explain what 'Terminator 2' got right and wrong — and how the film 'influenced the direction of research significantly.' David Artavia July 6, 2023 at 6:57 PM
An instance of GPT-2 writing a paragraph based on a prompt from its own Wikipedia article in February 2021. Generative Pre-trained Transformer 2 ("GPT-2") is an unsupervised transformer language model and the successor to OpenAI's original GPT model ("GPT-1"). GPT-2 was announced in February 2019, with only limited demonstrative versions ...
GPT-4, Altman noted, was a huge advancement over GPT-3. ... “When that works, which is not very often, it’s very magical,” he said. This story was originally featured on Fortune.com. Show ...
At OpenAI's first developer conference, Sam Altman introduced GPT-4 Turbo with a slew of new features and updates. GPT-4 Turbo and custom GPTs announced: What they are, how to try them Skip to ...