Extract structured invoice data from images and PDFs using Gemini and GPT-4o vision. Enforce type-safe outputs with Pydantic validation, zero-shot document classification, and automatic intent detection.

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• Use vision-enabled LLMs to extract structured data from images and PDFs
• Enforce type-safe structured outputs with Pydantic validation
• Classify documents without training data using zero-shot learning
• Automatically detect document types and intents

• Gemini / GPT-4o - Vision-enabled large language models
• Pydantic - Type-safe structured data extraction
• FastAPI - High-performance async Python web framework
• Docker - Containerized development

make dev    # One command to set up and run

Open http://localhost:8000/docs for the interactive API docs.

1. Multi-Currency Support - Dynamic currency detection and conversion
2. Confidence Scores - Extraction confidence validation
3. Line Item Categorization - Automatic categorization pipeline

• Start the course: learnwithparam.com/courses/vision-llm-data-extraction
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