it's called generative ai — the same technology that's behind a breakthrough in the way machines use human language. promotional video: gpt-4 - is the latest ai system from openai. lara: the company openai was founded eight years ago, and it's revolutionised language—based artificial intelligence. it's a system that can make dreams, thoughts, ideas flourish in text in front of you. last year, openai released an update to its technology called chatgpt. it can answer complex questions, tell you a joke, even write you an original essay or poem. it can also read, analyse or generate up to 25,000 words of text. it isn'tjust what it's capable of that's changed the game. openai created a free version that anyone could use. for the systems that we're - developing to have a big impact, we have to figure out how