A very useful service that contains several neural networks for writing text is SinCodeAI

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There is everything that can be useful for a student: a generator of finished papers on a given topic, the ability to rewrite your text or make it more unique for checking for anti-plagiarism. There are 45 different tools available based on ChatGPT, but with one limitation - 3000 words per account (which is easily bypassed by creating temporary mail).