Pigro for OpenAI is an AI tool designed to provide smarter answers for ChatGPT retrieval plugin, while also offering intelligent document indexing services. The tool utilizes an AI-based text chunking service to split content like a human would, considering the look and structure of the document, such as pagination, headings, tables, lists, and images, andthe semantics of the text by keeping related sentences together and splitting where needed. The API supports multiple document formats, including Office-like documents, PDF, HTML, and plaintext in many languages, and provides best-in-class accuracy with generative indexing. With Pigro, users can get accurate and clear-cut answers inside the growing knowledge bases of their organizations. The generative AI expands each content, generating all possible questions answered within the document. The search feature uses keywords and semantics, considering the title, body, and generated questions to deliver only the most relevant spans of text that answer the query. This approach, combined with meaningful text chunking techniques, results in a 10% increased accuracy compared to other solutions available on the market. Soon Pigro will offer search result filtering with file and resource access permissions, and users can even provide their own ChatGPT retrieval plugin. Pigro is compatible with OpenAI and is an excellent tool for those looking to improve their document indexing services and search capabilities.