ChatGPT 4o mini
You said:
ChatGPT said:
ChatGPT is a state-of-the-art language model developed by OpenAI, built on the GPT (Generative Pre-trained Transformer) architecture. The development of GPT models is rooted in advancements in machine learning and natural language processing, allowing these systems to understand and generate human-like text based on the input they receive.
Architecture and Training
Transformers and GPT Architecture: The core technology behind ChatGPT is the Transformer architecture, introduced by Vaswani et al. in 2017. Transformers use mechanisms like self-attention to process and generate text. GPT, which stands for Generative Pre-trained Transformer, builds on this architecture. The model is trained in two stages:
Pre-training: The model learns from vast amounts of text data collected from the internet. This phase is unsupervised and involves predicting the next word in a sentence, given the previous words. This helps the model grasp grammar, facts, and some degree of reasoning.
Fine-tuning: After pre-training, the model is further refined using a narrower dataset with more specific instructions. This phase is supervised, where human reviewers provide feedback and corrections. This helps in improving the model's ability to follow instructions and generate more relevant and accurate responses.
Scalability: GPT models are known for their scalability. Larger models, like GPT-4, have more parameters (the parts of the model that learn from data), allowing them to understand and generate more complex text. The growth in model size has generally led to improvements in performance, such as better understanding of context and s.
