Advanced LLM Systems

Production RAG • Fine Tuning • JSON Extraction • Multimodal AI Pipelines

Slide 113

Overview

Modern LLM systems combine retrieval, model adaptation, structured output control, and multimodal reasoning to deliver production-ready AI capabilities. Slide 113 highlights the layered architecture required to scale these systems.

Key Concepts

Production RAG

Reliable retrieval pipelines with chunking, embeddings, ranking, and safety layers.

Fine Tuning

Task‑specific optimization using supervised fine tuning or preference tuning.

JSON Extraction

Structured output formats for safe parsing, automations, and API pipelines.

Multimodal AI Pipelines

Image, text, audio, and PDF reasoning combined with tool use and workflow orchestration.

Process Pipeline

1. Ingest

Collect text, images, PDFs, and external knowledge sources.

2. Retrieve

Embed, search, rank, and filter high‑relevance context.

3. Model

LLM reasoning, fine tuning, and structured JSON output.

4. Orchestrate

Pipeline automation, tools, agents, and post-processing.

Use Cases

Enterprise Knowledge Search

RAG-powered insights on internal documents with traceability.

Automated Report Generation

Structure data and outputs with JSON workflows.

Multimodal Assistants

Process images, charts, and PDFs alongside text instructions.

Comparison: RAG vs Fine Tuning

RAG

  • Dynamic knowledge updates
  • Lower cost than tuning
  • Ideal for long documents

Fine Tuning

  • Improves task‑specific accuracy
  • Better reasoning patterns
  • Effective for structured SOPs

FAQ

Do I need both RAG and fine tuning?

Most production systems benefit from using both in combination.

Is JSON extraction reliable?

With schemas, validators, and constrained decoding, it becomes highly stable.

Does multimodal AI require new models?

Many state-of-the-art LLMs now support images natively.

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