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Charly Wargnier

@DataChaz · view on X ↗

Ex @Streamlit @Snowflake Maestro • I write about AI agents, LLMs and automation • My ❤️ is open source • DM for collabs 📩

178K followers
1 thread on ThreadOut

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Every thread by Charly Wargnier that readers unrolled on ThreadOut.

Nov 13, 2025
If you’re still sending raw JSON into your LLMs, you’re burning tokens, latency, and budget! Try TOON (Token-Oriented Object Notation). Clear like YAML, compact like CSV: • 30–60% fewer tokens • Up...
SummaryTOON (Token-Oriented Object Notation) is a new data format that reduces token usage by 30-60% compared to JSON, lowering costs and latency for LLM applications. The thread introduces the open-source tool, benchmarking resources, and conversion utilities to help developers optimize their data formatting.8 tweets1 min read