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Computational knowledge engine for expert answers

A free, AI-powered academic search engine for 240M+ papers across every scientific field

AI academic search engine for peer-reviewed science

AI-powered visual discovery of scientific knowledge

AI research platform for reading, understanding and writing scientific papers

The AI workspace where teams and agents get work done together

Domain-specific AI agents for innovation, R&D, and intellectual property

Map the literature around the papers you love—free

AI answers grounded in 300M+ scholarly full texts

Explore the academic literature as a visual graph of related papers

Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models.

Academic proofreading, plagiarism checking and AI-powered writing tools in one place

Free AI plant identification backed by citizen science

An open, AI-written encyclopedia built and fact-checked by Grok

AI document conversion for math, chemistry, tables and full PDFs

Science-backed answers to medical questions

High-quality human data for AI training, evaluation, and research

AI research tools and expert publication services in one place

An expert AI harness that controls what a model reads and measures how it answers

Editable scientific figures and graphical abstracts from a prompt

An AI research workspace where every answer points to the exact passage it came from

AI scientific figure and data chart generator for researchers

AI summaries and study guides for scientific papers

Tencent's AI knowledge steward for searching, reading, writing, and managing your own knowledge base.