Hackathon Showcase
GenAI Days Paris 2026 Invitation Winner
LumiereAI
Project Description
SatisfAI is an AI-powered voice agent platform that automates customer satisfaction surveys through real phone calls. Instead of low-response-rate email surveys, SatisfAI calls your customers, conducts natural conversations, and delivers actionable insights — all autonomously.
Team
Products & Tools
**Other Products:**
- **Deepgram** — Nova 3 speech-to-text for real-time transcription
- **ElevenLabs** — Multilingual v2 text-to-speech for natural voice
- **LiveKit** — Voice transport (WebRTC + SIP)
- **OpenAI** — GPT-4.1-mini (live call LLM + supervisor)
- **Supabase** — PostgreSQL database
- **Telnyx** — SIP trunk provider for outbound phone calls
Auth
FastAPI
Next.js 15
OpenAI Agents SDK (post-call analysis with structured output)
Python
Realtime subscriptions
Recharts
Row-Level Security
S3-compatible Storage for recordings
Silero VAD
Tailwind CSS v4
TanStack React Table
TypeScript
agent hosting (LiveKit Cloud)
call recording (Egress)
shadcn/ui v4
Additional Links
Summarizing URL...