https://arstechnica.com/information-technology/2023/11/openai-introduces-gpt-4-turbo-larger-memory-lower-cost-new-knowledge/

On Monday at the OpenAI DevDay event, company CEO Sam Altman announced a major update to its GPT-4 language model called GPT-4 Turbo, which can process a much larger amount of text than GPT-4 and features a knowledge cutoff of April 2023. He also introduced APIs for DALL-E 3, GPT-4 Vision, and text-to-speech—and launched an "Assistants API" that makes it easier for developers to build assistive AI apps.