Heuristica

Heuristica is an AI-powered learning platform built around turning uploaded material into multiple study formats from a single source. Users upload PDFs, videos, podcasts, or articles, and the platform automatically generates concept maps, flashcards with spaced repetition, quizzes, and study notes from that content, along with an AI chat feature that lets users ask questions across several language models, including ChatGPT, Claude, Gemini, and Qwen. The platform also pulls in outside material directly, connecting to sources like YouTube, PubMed, and arXiv so users can bring academic papers or videos into their study workflow without manually copying text. Generated study materials can be shared with classmates or colleagues, which makes it useful for group study and collaborative research. Heuristica is built for students, researchers, teachers, and other lifelong learners who want to move faster from raw source material to something they can actually study or teach from, rather than manually building notes and flashcards by hand. It has attracted a sizable user base, with the site citing more than 75,000 learners. A limitation is that generated study aids are only as accurate as the source material and the underlying AI models, so users still need to verify important facts against the original sources rather than treating outputs as authoritative on their own.