A state-of-the-art multi-agent travel planning system built with LangGraph, Google Gemini Flash-2.0, and DuckDuckGo Search. The system offers three different planning approaches, from traditional single-agent to cutting-edge multi-agent collaboration using modern industry frameworks.

🚀 AI Travel Agent & Expense Planner - LangGraph Multi-Agent System

Overview

A state-of-the-art multi-agent travel planning system built with LangGraph, Google Gemini Flash-2.0, and DuckDuckGo Search. The system offers three different planning approaches, from traditional single-agent to cutting-edge multi-agent collaboration using modern industry frameworks.

🤖 Planning Options

Choose from three different planning experiences:

1. 🔧 Single-Agent Planning (Classic)

• Traditional single AI agent approach
• Direct planning methodology
• Proven reliability and efficiency

2. 🚀 Legacy Multi-Agent (Custom Framework)

• 6 specialized AI agents working together
• Custom multi-agent framework
• Enhanced recommendations through collaboration

3. 🌟 LangGraph Multi-Agent (Advanced) ⭐ RECOMMENDED

• Google Gemini Flash-2.0 powered agents
• DuckDuckGo real-time search integration
• LangGraph workflow orchestration
• State-of-the-art multi-agent collaboration

🏗️ LangGraph System Architecture

Framework Components

• LangGraph StateGraph: Workflow orchestration and state management
• Google Gemini Flash-2.0: Advanced AI reasoning and natural language processing
• DuckDuckGo Search: Real-time information retrieval (no API key needed)
• Pydantic: Type safety and data validation
• Custom Agent Protocols: Specialized communication between agents

🤖 AI Agent Network