Datasets for RAG, fine-tuning and training built from public sources
AI writing assistant that helps detect errors and improve content
Stage
Not given
Not given
Founded
Not given
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Based in
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LT
Pricing model
Paid
Freemium
Pricing
Web Corpus: starter sets from $49 (250,000-500,000 documents); shelf corpora from $99-$199 per shelf (one-time license); Everything (full crawl) $3,000 one-time; Whole Library (all builds for one year) $5,000 per year. Reference Collections: Encyclopedia $1,200 commercial or $349 research (one-time)
Not given
Key features
Web corpus with 100.7M documents and 105B tokens from Common Crawl
Documents scored with Bear Rank and shelved by subject
15 million encyclopedia entries with sources and model attribution
200 million synthetic Q&A records with metadata
Delivered as JSONL and Parquet formats
Free samples available on Hugging Face
Command-line client with resumable downloads and SHA-256 verification
Statistics collection with 7,000 topics and 140,000 figures
Glossaries for 10,000 topics with one million definitions
Book Q&A dataset with 8,000 titles for reading comprehension
Generate drafts and rewrite sentences
Grammar and spelling correction
AI pattern detection with sentence-level analysis
Tone adjustment for different audiences
Make AI-generated text sound natural
Fact verification against reliable sources
Upload documents in multiple formats
Plagiarism detection
Text summarization
Word counter and punctuation corrector
What makes it different
All datasets built only from public sources with full provenance tracking
Every record includes source attribution and licensing information
Eight curated subject shelves for targeted corpus selection
Flexible purchasing: buy individual shelves, slices, or entire library
Over 4 TB of clean, deduplicated text ready for machine learning
All writing tools in one workspace without switching applications
Complete writing tasks 3x faster from draft to polished text
Manual review and improvement by professional editors
24/7 live support from real people
Analyzes over 18 billion webpages and private databases for verification
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