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Show HN: Misata – synthetic data engine using LLM and Vectorized NumPy

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🧠 Misata

Generate realistic multi-table datasets from natural language.

No schema writing. No training data. Just describe what you need.

✨ What Makes Misata Different

Feature Faker SDV Misata Natural language input ❌ ❌ ✅ Auto schema generation ❌ ❌ ✅ Relational integrity ❌ ✅ ✅ Business constraints ❌ ❌ ✅ No training data needed ✅ ❌ ✅ Streaming (10M+ rows) ❌ ❌ ✅

🚀 Quick Start

pip install misata

With Groq (Free, Fast)

export GROQ_API_KEY=your_key # Get free: https://console.groq.com misata generate --story " A SaaS with 50K users, subscriptions, and payments " --use-llm

With OpenAI

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