This app uses GPT-4's API. The API can handle up to 8000 'tokens' in a single input and output combined. A token is about a word in length, so you can receive a summary on text up to 40,000 characters.
GPT-4 is expensive to run. It costs around $0.15 per summary, so please don't abuse us! We're self-funded, so if you'd like to contribute, please contact us .