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Enterprise RAG workspace
Premier Nexus
A secure AI workspace for document ingestion, RAG, role-based access, model routing, speech capabilities, and workspace-isolated chat.
Multi-tenant RAG54 active routesCost-aware model routing

Problem
Teams needed a controlled internal AI workspace that could answer questions from private documents while keeping users, workspaces, and costs separated.
Approach
- Designed document ingestion across PDFs, DOCX, and CSV files with vector retrieval for grounded answers.
- Added model-aware routing and retries across providers to improve reliability.
- Built workspace access, API keys, and usage tracking for enterprise control.
Architecture
- Documents are uploaded, parsed, embedded, and stored per workspace.
- Chat requests retrieve relevant context and route through the selected model provider.
- Usage logs track tokens, costs, and response behavior.
- Speech integrations support voice-based workflows where needed.
Production
- Workspace isolation reduces accidental data bleed.
- Rate limits and API key controls support external integrations.
- Streaming responses improve perceived latency for long answers.
Tradeoffs + next steps
- Workspace isolation and auditability were prioritized over a single shared retrieval index.
- Retrieval quality still depends on document structure, so ingestion diagnostics remain an important next step.
Result
The platform created a practical internal AI layer for knowledge work, with governance features beyond a simple chatbot.
Stack
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