LlamaIndex vs GLM 5.2: Which Is Better in 2026

Last week, I spent three hours trying to get an AI agent to summarize a 500-page PDF of financial disclosures and cross-reference the data with a live SQL database. I tried using a barebones model API, and it was a disaster—hallucinated ticker symbols and context overflow errors. Then I tried an agent framework, but it choked on the sheer size of the document.

If you're building document-heavy AI applications in 2026, you've likely hit this exa