🎯 Overview

Agentic AI Trip Planner is a cutting-edge travel planning application that leverages the power of multi-agent AI systems to create comprehensive, personalized travel itineraries. Built with CrewAI, it employs specialized AI agents that collaborate to research destinations, find the best deals, and craft detailed day-by-day travel plans.

🌟 What Makes It Special?

• 🤖 Multi-Agent AI System: Three specialized AI agents work together (Location Expert, Guide Expert, Planner Expert)
• 🔄 5-Tier Fallback System: Ensures 99.9% uptime with automatic failover across multiple LLM providers
• 🌐 Real-time Web Search: Live data from the internet for flights, hotels, attractions, and events
• 📱 Beautiful UI: Modern, responsive interface with glassmorphism design and gradient themes
• 💾 Search History: Automatic saving and retrieval of all searches with rich card layouts
• 🎯 Interest-Based Planning: Customizable itineraries based on 24+ travel interests
• 🌍 Global Coverage: Support for 50+ countries and 500+ cities worldwide

🌐🎬 Live Demo

🚀 Try it now:

• Streamlit Profile - https://share.streamlit.io/user/ratnesh-181998
• Project Demo - https://agentic-ai-trip-planner-crewai-ykagvec2ng6raotrdaw6sp.streamlit.app/

✨ Key Features

🤖 AI-Powered Trip Planning

• Intelligent Agents: Three specialized AI agents collaborate to create comprehensive travel plans
  • Location Expert: Researches transportation, accommodation, costs, weather, and visa requirements
  • Guide Expert: Discovers attractions, restaurants, activities, and local events
  • Planner Expert: Creates detailed day-by-day itineraries with timings and budget breakdowns

🔍 Comprehensive Search Capabilities

• ✈️ Flight Search: Real-time flight options with pricing and schedules
• 🏨 Hotel Search: Accommodation recommendations with ratings and prices
• 🚆 Train Search: Railway options for intercity and international travel
• 🚌 Bus Search: Budget-friendly bus routes and schedules

🎨 Advanced UI/UX

• Responsive Design: Works seamlessly on desktop, tablet, and mobile
• Glassmorphism Effects: Modern, translucent design elements
• Gradient Themes: Beautiful color gradients inspired by nature (sunrise/sunset)
• Interactive Cards: Rich destination cards with images and video previews
• Dark/Light Modes: Automatic theme adaptation

📊 Smart Features

• Multi-Interest Selection: Choose from 24+ travel interests
• Traveler Customization: Specify adults and children counts
• Date Range Planning: Flexible departure and return dates
• Budget Estimation: Automatic cost calculations per person
• History Tracking: All searches saved with metadata and timestamps

🛠️ Tech Stack

Core Technologies

AI/LLM Providers

Search & Tools

• DuckDuckGo Search (4.0+): Web search without API keys
• Serper API: Advanced Google search integration (optional)
• Browserless API: Web scraping capabilities (optional)

Data & Storage

• Python-dotenv: Environment variable management
• SQLite3: Local database for caching
• File System: JSON/TXT storage for search history

Frontend

• HTML5/CSS3: Custom styling and layouts
• JavaScript: Interactive elements (embedded in Streamlit)
• Base64 Encoding: Image handling and optimization

🏗️ Architecture

Multi-Agent System Design

┌─────────────────────────────────────────────────────────────┐
│                     USER INPUT                               │
│  (Destination, Dates, Interests, Travelers)                 │
└────────────────────┬────────────────────────────────────────┘
                     │
                     ▼
┌─────────────────────────────────────────────────────────────┐
│                  CREW ORCHESTRATOR                           │
│              (CrewAI Sequential Process)                     │
└────────────────────┬────────────────────────────────────────┘
                     │
        ┌────────────┼────────────┐
        ▼            ▼             ▼
┌──────────────┐ ┌──────────────┐ ┌──────────────┐
│   AGENT 1    │ │   AGENT 2    │ │   AGENT 3    │
│  Location    │ │    Guide     │ │   Planner    │
│   Expert     │ │   Expert     │ │   Expert     │
└──────┬───────┘ └──────┬───────┘ └──────┬───────┘
       │                │                │
       │ Web Search     │ Web Search     │ Synthesis
       │ Tools          │ Tools          │ Tools
       ▼                ▼                ▼
┌──────────────────────────────────────────────────────────────┐
│              KNOWLEDGE BASE & CONTEXT                         │
│  (Transportation, Hotels, Attractions, Events, Costs)        │
└────────────────────┬─────────────────────────────────────────┘
                     │
                     ▼
┌─────────────────────────────────────────────────────────────┐
│              FINAL ITINERARY OUTPUT                          │
│  (Day-by-day plan, Budget, Tips, Recommendations)           │
└─────────────────────────────────────────────────────────────┘

5-Tier Fallback Architecture

Request → Tier 1 (Groq llama-3.3-70b) ──✓──> Success
              │
              ✗ (Rate Limit/Error)
              │
              ▼
          Tier 2 (Groq llama-3.1-8b) ──✓──> Success
              │
              ✗
              ▼
          Tier 3 (Groq mixtral-8x7b) ──✓──> Success
              │
              ✗
              ▼
          Tier 4 (Google Gemini) ──✓──> Success
              │
              ✗
              ▼
          Tier 5 (Ollama Local) ──✓──> Success

🎨 UI Features & Tabs

1. 🤖 AI Trip Planner (Main Tab)

The core feature where users input their travel details and receive AI-generated itineraries.

Features:

• Smart Location Selection: Dropdown menus for 50+ countries and 500+ cities
• Date Range Picker: Flexible departure and return date selection
• Traveler Configuration: Separate inputs for adults and children
• Interest Multiselect: 24+ categories including:
  • 🏛️ Sightseeing & Landmarks
  • 🍕 Food & Dining
  • 🎨 Art & Museums
  • 🏖️ Beach & Relaxation
  • ⛰️ Adventure & Hiking
  • 🎭 Culture & History
  • 🛍️ Shopping
  • 🎉 Nightlife & Parties
  • And 16 more...

Output Includes:

• Comprehensive city introduction
• Day-by-day detailed itinerary with timings
• Restaurant recommendations with cuisine types
• Budget breakdown (flights, hotels, food, activities)
• Visa requirements and travel tips
• Weather forecast and packing suggestions

2. 📜 AI Trip Planner History

View and manage all previously generated trip plans.

Features:

• Rich Card Layout: Beautiful gradient cards showing trip summaries
• Metadata Display: Destination, dates, creation timestamp, file size
• Content Preview: Expandable sections to view full itinerary
• Download Options: Export any plan as TXT file
• Smart Sorting: Newest plans first
• Search Filters: (Coming soon)

3. 🎯 Explore by Interest

Discover destinations based on specific travel interests.

17 Interest Categories:

1. 🏖️ Beach Destinations

2. ⛰️ Mount