Heida
An AI command center that unifies 220+ AI models with your own API keys, featuring document intelligence, interactive tools, and persistent knowledge graphs.

Overview
Heida is a comprehensive AI interface designed for professionals to interact with multiple AI models through one elegant platform. It supports connection to 220+ AI models including OpenRouter models, Claude, and GPT-4 while allowing users to use their own API keys for cost control. The platform features document intelligence for analyzing PDFs and spreadsheets, interactive tools for visualizations and code execution, AI augmentation with web search capabilities, and a knowledge graph for persistent memory across conversations. Built with enterprise-grade security including end-to-end encryption.
Key Features
- Connection to 220+ AI models with perfect context retention
- Document intelligence for PDF and spreadsheet analysis
- Interactive tools for visualizations and code execution
- AI augmentation with real-time web search
- Knowledge graph for persistent memory across conversations
- Enterprise-grade security with end-to-end encryption
Challenges & Solutions
The main challenge was efficiently implementing a caching layer for user details (like profiles and API kets) and model fetches in order to reduce latency on every chat conversation.
Status
CompletedTech Stack
Year
2025
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