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README.md

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+# OpenRouter API Pricing Analysis Dataset
+
+## Overview
+
+This dataset provides a point-in-time capture of pricing and parameters for LLMs available through the OpenRouter API for inference.
+
+## Contents
+
+### Raw Data (`raw/`)
+Contains the original data extracted from the OpenRouter API, including:
+- Model pricing (input/output token costs)
+- Model parameters and specifications
+- Computed fields such as output/input token price ratios
+
+### Enhanced Data (`hf-enhanced/`)
+Augmented dataset created by mapping Hugging Face IDs from the OpenRouter API to the Hugging Face API, providing additional model metadata and information.
+
+## Use Cases
+
+- Comparative pricing analysis across LLM providers
+- Cost optimization for API-based LLM inference
+- Model selection based on pricing and parameters
+- Historical pricing tracking (point-in-time snapshot)
+
+## Data Source
+
+- **Primary**: OpenRouter API
+- **Enhancement**: Hugging Face API (for models with HF IDs)
+
+## Note
+
+This is a point-in-time snapshot. API pricing and model availability may change over time.