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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
Premier Nexus private AI workspace interface

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.

Confidentiality note: Metrics like daily users and latency improvements should be published only after final verification. Screenshot should be cropped if branding is sensitive.

Stack

FastAPILangChainPGVectorPostgreSQLAWS BedrockAzure OpenAIAzure BlobDocker

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