Based solely on the article, here are some ChatGPT alternatives for students. Claude is well-performing for writing and analyzing large pieces of text with a natural, conversational tone, and it handles massive reading assignments. Perplexity functions like a super search engine, providing answers with inline citations and direct links to sources for verifying facts. Google Gemini integrates directly with Docs and Drive, features web-searching capabilities, and can analyze YouTube educational videos. Paperpal is tailored for academic and technical writing, trained on published scholarly articles to help polish a thesis and correct complex grammar. The article states that AI engines can be used to break down complex topics, create outlines, and analyze written work for mistakes.