The arrival of ChatGPT marked the moment generative artificial intelligence became accessible to everyone. The article traces the birth of OpenAI and its mission — making AI ethical and safe for the benefit of humanity — up to the tool that made interaction with AI systems natural and intuitive.
From the reinforcement learning of the early projects (OpenAI Gym, Five, Dactyl) to the evolution of the GPT-2 and GPT-3 language models, through to DALL·E and text-to-image generation: a journey explaining how we arrived at the conversational chatbot that changed the relationship between people and technology. In the full PDF: the evolution of OpenAI models and how ChatGPT works.
Originally published in Il Giornale dell'Ingegnere (CNI), 1 February 2023.
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