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

The AI workspace where researchers read, write, and cite with every claim traceable to its source

Verify every reference against real academic databases — and find the sources you're missing

Paraphrase, proofread and summarize text with an AI writing workspace

AI academic writer with real sources and automatic citations

Find, cite and verify academic sources in 18 styles

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

Free AI citation checker that catches fake and hallucinated references

A free AI answer engine that cites its sources

Catholic answer engine grounded in 30,000+ cited sources

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

AI answers grounded in 300M+ scholarly full texts

AI Essay Writer With Real Sources and Citations

One prompt, fully cited academic drafts from your own sources

Ask anything — AI answers with sources from the live web

AI research workspace for literature reviews with citations you can trace

Check plagiarism, detect AI text and polish your writing in one place

An AI research workspace that summarizes, compares and cites your documents

AI research agent that writes fully-cited essays, blogs, papers and reports

Private AI that answers from your own documents, on Mac and Windows

One AI workspace to write, edit, detect, and humanize text

Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.

AI content detection and a full writing toolkit in one place

Research reports built from 300M+ real scholarly papers — every claim cited and DOI-checked