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Oswin Data vs Speech Kobo

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Oswin Data compared with Speech Kobo
Detail Oswin DataSpeech Kobo logo Speech Kobo
What it doesDatasets for RAG, fine-tuning and training built from public sources Wedding speech AI generator that creates three personalized speeches in about 60 seconds
StageNot given Not given
FoundedNot given Not given
Based inNot given JP
Pricing modelPaid Paid
PricingWeb 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) Standard: $19.90 (approximately 2,980 yen, one-time payment) for three personalized speech manuscripts. Free plan includes 26 sample speeches, question form experience, and one demo generation.
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
  • Three speeches with different tones (humor-focused, emotion-focused, balanced)
  • Wedding etiquette checking for unlucky words and proper closings
  • Automatic length adjustment to 600-900 characters (2-3 minutes reading time)
  • Personalized speeches using user's own memories and wording
  • Speech generation in seconds after answering questions
  • 48-hour full refund guarantee
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
  • Purpose-built for Japanese wedding customs and etiquette, unlike general AI tools
  • Generates three complete speeches with different tones for users to choose from
  • One-time payment without subscription or recurring charges
  • Automatic etiquette checking to avoid unlucky words and ensure proper formal closings
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)50
Citation Flow (Majestic)2813
Referring domains (Majestic)692

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