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CzechFabric introduces TONE, an open-source data format optimised for LLMs, reducing token usage by 40–60% while keeping data structured and human-readable.
Built in Prague 🇨🇿, designed for developers worldwide.
TONE powers CzechFabric’s public-data APIs and SDKs connecting cities, AI, and open innovation.
CzechFabricAI data reimagined 60% lighter, born in Czechia
Abdulbasit Aliyu Ayindeleft a comment
When I started CzechFabric, I wanted to make real-world data more usable for AI, not just for experiments, but for production. TONE was born out of that frustration: JSON was too heavy, YAML too inconsistent. Now it’s a simple, open format that helps AI understand data more quickly and cost-effectively. Built in Prague 🇨🇿, open to everyone. Would love to hear your feedback!
CzechFabricAI data reimagined 60% lighter, born in Czechia