OpenAI Explained Like You're 6

In 2015, some of the richest people in tech promised to build the most powerful technology in history – and give it away for free. Ten years later, that company is worth hundreds of billions, keeps its best models locked away, and once fired its own CEO for five days. This is the story of OpenAI: the hotel dinner that started it, the game bots and the transformer, the money problem that pushed Elon Musk out and Microsoft in, ChatGPT, the five-day boardroom coup – and how "open" got harder to see every year. Chapters 0:00 The promise 0:43 The dinner that started it all 2:41 A billion dollars – pledged 3:42 How A.I. is actually grown 4:05 The transformer and GPT 5:16 The money problem – and Musk leaves 6:23 Microsoft moves in 6:49 GPT-3 and teaching a machine to talk 7:35 ChatGPT 8:21 Google's code red 9:19 The board with one job 9:54 Fired on a Friday 11:00 700 signatures 11:48 After the coup 12:15 Musk comes back – as a rival 13:37 Where it all led Sources: OpenAI blog posts (2015–2025); Cade Metz – Genius Makers (2021); Karen Hao – Empire of AI (2025); Walter Isaacson – Elon Musk (2023); emails published by OpenAI (March 2024); Reuters, The New York Times and Axios reporting (2022–2025). #OpenAI #ChatGPT #TechHistory