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Case study · Healthcare AI
NexusX
Multi-Modal Healthcare AI Platform
15+ Firestore collections6 AI models integrated5 permission-gated modules
nexusx.app
The brief
NexusX is a production-grade healthcare AI platform that combines retrieval-augmented generation with multi-model orchestration. It features a conversational interface powered by OpenAI GPT-5 and Google Gemini, a knowledge base with vector embeddings for instant document retrieval, multi-agent task delegation (Planner, Researcher, Coder agents), media generation capabilities, real-time streaming responses, and a configurable billing policy engine. Built to handle the complexity of healthcare compliance while delivering actionable intelligence.
What we built
Multi-model AI orchestration (GPT-5, Gemini, o3/o4-mini reasoning)
RAG with vector embeddings (text-embedding-3-small, 1536-dim)
Multi-agent system: Planner, Researcher, Coder agents
Knowledge base sync with Google Drive
Real-time streaming responses (SSE)
Media generation (DALL-E, Imagen, Sora video)
Configurable billing policy engine
Multi-organization support with permission gating
Tech stack
Next.js 15OpenAI GPT-5GeminiRAGVector SearchFirebaseCloud Functions
Key metrics
15+ Firestore collections
6 AI models integrated
5 permission-gated modules
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