Updated April 29, 2026
Unstructured is the leading data-ingestion platform for RAG and AI apps, converting 65+ file formats (PDFs, DOCX, HTML, images, emails) into clean structured outputs ready for LLMs. Free open-source library plus a hosted Serverless API and Enterprise Platform with no-code UI, RBAC, SOC 2/HIPAA/GDPR support.
WhyHow provides tools for building and querying knowledge graphs from unstructured text using LLMs.
Core capabilities each platform advertises.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
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The no-code Platform and connector ecosystem allow this product to scale easily in an enterprise environment.
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Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.