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Prashant Kumar
AI Architect · Author · Builder of Avarna Privacy Gateway
I build applied AI systems and write about what it takes to ship them. Author of Machine Learning to Gen AI Agents — a field guide from foundations to production. Currently prototyping privacy, prediction, and orchestration tools that I'll open up here as they mature.
Latest & trending.
Three-layer detector hits 97% PII recall
Regex + Microsoft Presidio + LLM classifier running in parallel. Round-trip drops to ~0.25s on RTX 4090. Self-hostable.
Read the case study → New · BookMachine Learning to Gen AI Agents
The field guide that explains why. 18 chapters, 177-term glossary, Kindle-ready. Audio edition in production.
Open the book → Essay · 9 minThe privacy budget every AI product needs
"We'll add privacy later" is the most expensive sentence in modern AI engineering. Here's how to set a defensible budget.
Read essay →NowCurrently in flight
- 2026 · Q2Avarna v4 — sub-second round-trip on consumer GPUsPOC
- 2026 · Q2Stock Predictor — quantitative model explorationPOC
- 2026 · Q2Multi-Agent Platform — orchestration & tool-usePOC
- 2026 · Q2Audio edition of the book in productionWriting
- OngoingEssays on privacy, evals, agentsWriting
Working on something privacy-sensitive with AI?
Writing a book that needs a technical second reader?
Both reach me at the same inbox.