01
Sillage
An AI that moderates without censoring
An ephemeral journal of messages left in Brussels public transport: a three-stage moderation pipeline (instant local filter, OpenAI moderation API, then Claude Haiku for emotional nuance). The prompt separates real hostility, which is filtered, from sadness, social criticism or dark humour, which pass. If one AI goes down, the message still gets through: the system is designed for failure, not for the ideal case.
02
PlateWave · No. 1 App Store Luxembourg
The AI that changes the tone, not the substance
My app PlateWave lets drivers message each other via their licence plate. Between sending and receiving, an AI rephrases: raw on the way out, courteous on the way in. The factual content stays intact, only the tone changes. That is the idea that unlocked a project stuck in a drawer for 15 years: without automatic moderation, it would have turned into insults within 48 hours.
03
Architecture
The right model in the right place
I do not believe in the single model that does everything. Claude Haiku for fast, cheap nuance, GPT-4o-mini for text transformation, the Moderation API for raw filtering. Choosing is already architecture.
04
Production
The whole chain, not one link
Prompt engineering, API integration, orchestration, monitoring, GDPR compliance, going live. I do not ship a script that calls ChatGPT: I ship a complete, documented system that survives its own launch.