AI Engineer Programming
May 9, 2026 · Artificial Intelligence
Why PDF Parsing Is Hard for RAG and Which Mainstream Solutions Work
The article examines the intrinsic challenges of extracting structured text from PDFs for Retrieval‑Augmented Generation—such as missing reading order, table reconstruction, font encoding, and scanned images—and compares lightweight libraries, AI‑enhanced frameworks, commercial APIs, and visual language models as practical solutions.
AI frameworksOCRPDF parsing
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