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Semantic Scholar is a free AI-powered research tool developed by the Allen Institute for AI that indexes over 200 million academic papers.
General-purpose AI chat for writing, Q&A, and everyday tasks.
Google's multimodal assistant for chat, research, and Workspace tasks.
Long-context assistant for writing, analysis, and coding.
Completely free.
https://semanticscholar.org
2026-03-13 via aifoxx (MIT). Editorial notes are short and may lag the vendor site.