GTM-Zero
AI sales engineer for technical founders - live objection handling with citation-grounded answers.
Built in 5 days for the START Munich pitch. A live AI sales engineer that handles technical objections during sales calls with citation-grounded RAG, generates hyper-personalized cold outreach, and keeps the knowledge base synced with the founder's technical docs. First-token latency under 2 seconds, citation coverage 82-100%, every claim traces back to a chunk ID.
- Java 21
- Spring Boot 4
- Spring AI 2.0
- Next.js 15
- React 19
- TypeScript
- Postgres + pgvector
- Voyage embeddings
- Claude Sonnet 4.6