Jerry Liu describes modern retrieval-augmented generation as an agent harnessAn AI agent harness is the software framework that packages a model with tools, instructions, context management, execution controls, and user interaction. supported by a context layerContext engineering designs the information, instructions, memory, and tool state an AI receives so it can perform a task reliably., rather than a fixed chunk-and-retrieve pipelineRetrieval is the process of selecting relevant stored information and returning it to an AI system for the current task.. Jerry Liu argues that an agent's goals determine what information it seeks, while complex organizational documents remain a bottleneck.
Jerry Liu compares OCR pipelines with vision-language modelsA vision-language model jointly processes images and language so it can describe, answer questions about or act on visual information. and outlines parsing, storage and workflow tradeoffsIntelligent document processing uses AI to classify, extract and validate information from documents for downstream workflows.. LlamaIndex's reported benchmarks and product capabilities are company claims; extraction confidence, citations and targeted processing provide practical ways to review results and manage cost.
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