
Building a Production RAG Pipeline: From Documents to Answers
A technical guide to chunking, retrieval, re-ranking, and observability for RAG systems at scale
Cornerstone guides on the topics that matter for production AI. We publish a new explainer every week.

A technical guide to chunking, retrieval, re-ranking, and observability for RAG systems at scale

A technical breakdown of Copilot, Cursor, and competing tools for real codebases, with honest limits.

Choose the right text embeddings for semantic search and RAG with benchmark data, cost analysis, and latency trade-offs

A production-focused guide to fixing made-up facts in customer-facing language models

The system prompts, few-shot techniques, and evaluation loops that ship in real LLM applications

A technical comparison of four leading models: quality, pricing, licensing, and which to pick for your workflow.

Per-token pricing, context windows, and batch discounts across OpenAI, Anthropic, Google, and newer challengers.

Compare per-minute rates, free tiers, and accuracy across the top speech-to-text APIs.

A technical guide to selecting the right embeddings index for retrieval-augmented generation systems.

How MCP standardizes connections between LLMs and external tools, data sources, and APIs.

Vulnerabilities, patches, and a hardening checklist for Python teams deploying AI agent backends.

Understand tokens, attention, and next-token prediction without the PhD-level math.

A technical comparison for production teams selecting a frontier model in 2026

How autonomous agents differ from chatbots, what frameworks actually work, and where they reliably fail.

When to customize an LLM: cost, latency, and accuracy tradeoffs explained for engineering leaders.

How RAG fixes LLM hallucinations by letting models fetch real data before generating answers.