FlowBrain is a comprehensive AI agent platform that empowers users to create, customize, and interact with intelligent AI agents powered by multiple large language models. The platform combines advanced RAG (Retrieval Augmented Generation) capabilities with a sophisticated token-based monetization system, enabling users to build specialized AI assistants tailored to their specific needs.

The market lacked a unified platform that allowed users to create custom AI agents with document-based knowledge, support for multiple LLM providers, and a fair usage-based pricing model. Existing solutions were either too generic, lacked document processing capabilities, or had rigid pricing structures that didn't scale with user needs.

FlowBrain provides a complete end-to-end solution for AI agent creation and management. Users can create agents with custom personalities, expertise areas, and knowledge bases by uploading documents. The platform supports multiple AI models (OpenAI GPT-4o Mini, GPT-4o, and Anthropic Claude 3.5/3.7 Sonnet), allowing users to choose the right balance between cost and quality. A sophisticated vector search system enables agents to answer questions using context from uploaded documents, while a tiered token pricing system ensures fair usage tracking across different model types.

## Technologies

- Frontend: Next.js 15, React 19, TypeScript, Tailwind CSS, Framer Motion

- Backend: Supabase (PostgreSQL, Authentication, Storage), Drizzle ORM

- AI/ML: OpenAI API, Anthropic API, LangChain, pgvector for embeddings

- Payment: LemonSqueezy integration for subscriptions

- UI Components: shadcn/ui component library

-Multi-Model Support: Choose from GPT-4o Mini, GPT-4o, Claude 3.5 Sonnet, or Claude 3.7 Sonnet with transparent token pricing

- RAG Implementation: Upload PDFs and text documents that are automatically processed, chunked, and embedded for intelligent context retrieval

- Token-Based Monetization: Fair usage tracking with free (250K tokens/month) and Pro ($30/month for 10M tokens) plans

- Real-Time Chat Interface: Interactive conversations with agents that leverage uploaded knowledge bases

- Agent Customization: Create agents with custom avatars (AI-generated or uploaded), system prompts, temperature settings, and visibility controls

- Public Agent Marketplace: Browse and interact with community-created public agents

FlowBrain successfully bridges the gap between complex AI infrastructure and user-friendly agent creation. The platform's tiered token system ensures profitability while providing value to users, with GPT-4o Mini offering an optimal balance of cost and quality. The RAG implementation enables agents to provide accurate, context-aware responses based on uploaded documents, making it suitable for specialized use cases like technical documentation, educational content, and domain-specific knowledge bases. The platform's modern architecture supports real-time updates, scalable vector search, and seamless payment processing, creating a production-ready solution for AI agent deployment.

AI Agent Widgets Allow users to generate AI agents and embed them as interactive widgets on their own platforms.