The model has a context window of 128,000 tokens, roughly the length of a book, and a knowledge cutoff of October 2023. OpenAI would not disclose exactly how large GPT-4o mini is, but said it’s ...

Called GPT-4o mini, it will replace GPT-3.5 Turbo as the default model used in the free version ... of around 2,500 pages in a standard formatted book. Individual users just using the GPT app ...