Pull the key sentences out of any article, in the length you want.
This summariser is extractive. It scores your own sentences by how much of the article's core vocabulary they carry, gives extra weight to the opening, then keeps the strongest ones in their original order. Every sentence in the summary appears verbatim in your text.
Abstractive summarisers, the kind that write new sentences, read better but can state things the source never said. For research, study notes and anything you will cite, an extractive summary is the safer tool.
No. Every sentence in the summary is copied from your original, in the original order. Nothing is generated, so nothing can be invented.
Up to 150,000 characters, roughly a 25,000-word document.
All six. Because the method counts word frequency rather than parsing grammar, it transfers across languages without a separate model.