OpenAI made several announcements at its first-ever developer conference, DevDay. The company unveiled GPT-4 Turbo, an improved language model with a 128K context window. OpenAI also revealed that ChatGPT has reached 100 million weekly users, and it now has 2 million developers using its tools. Additionally, OpenAI introduced GPTs, customisable chatbots and OpenAI implemented a "copyright shield".OpenAI made several announcements at its first-ever developer conference, DevDay. The company unveiled GPT-4 Turbo, an improved language model with a 128K context window. OpenAI also revealed that ChatGPT has reached 100 million weekly users, and it now has 2 million developers using its tools. Additionally, OpenAI introduced GPTs, customisable chatbots and OpenAI implemented a "copyright shield".