OpenAI unveiled new API updates at its Dev Day on Monday, introducing GPT-5 Pro, its latest language model, its new video generation model Sora 2, and a smaller, cheaper voice model. The updates were part of a series of announcements geared towards wooing developers to OpenAI’s ecosystem, including the launch of an agent-building tool and the ability to build apps in ChatGPT. The addition of GPT-5 Pro might appeal to developers building applications in finance, legal, and healthcare – industries...