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Machine Brief|

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ai

GPT

Generative Pre-trained Transformer.

Definition

Generative Pre-trained Transformer. OpenAI's series of large language models. GPT-3 showed the power of scale, GPT-4 demonstrated multimodal capabilities, and GPT-5 pushed reasoning further. The architecture is a decoder-only transformer trained to predict the next token in a sequence.

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Related Terms

OpenAI

The AI company behind ChatGPT, GPT-4, DALL-E, and Whisper.

Transformer

The neural network architecture behind virtually all modern AI language models.

Large Language Model

An AI model with billions of parameters trained on massive text datasets.

Activation Function

A mathematical function applied to a neuron's output that introduces non-linearity into the network.

Adam Optimizer

An optimization algorithm that combines the best parts of two other methods — AdaGrad and RMSProp.

AGI

Artificial General Intelligence.

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