Tier9AI.

Field Notes / Practical guides

Less friction.
Better work.

Plain-language notes on follow-ups, client paperwork and connecting your tools. Start with the problem—not the technology.

Read it. Then try it.

Our fictional demos show what these workflows can look like, including review steps and missing information.

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Technical library · 24 articles

Deeper engineering reference material. These articles are not a list of features included in every service package.

Proving AI Adoption and ROI ↗Documentation That Keeps AI Systems Operable ↗Observability for Customer-Facing AI ↗From Business Problem to Technical Spec ↗Security and Compliance for Customer-Facing AI ↗How to Publish an AI Case Study Technical Buyers Trust ↗Distributed LLM Inference, Sharding, and Routing ↗GPU Sizing for LLM Inference Without Guesswork ↗How ChatGPT and Large Language Models Work ↗KV Cache, Prefix Caching, and Continuous Batching ↗Running llm-d on Kubernetes in Production ↗MCP vs Agent Skills: Reach, Know-How, and the Controls Between Them ↗How to Measure AI Contribution Without Pretending Correlation Is ROI ↗How AI Models Are Stored and Why Hardware Limits Matter ↗Multi-Tenant AI Without Data Leaks ↗Permission-Aware RAG for Customer Data ↗Prefill, Decode, TTFT, and TPOT Explained ↗When Production AI Breaks ↗Customer Integrations That Survive Production ↗From Python Prototype to Reliable AI API ↗From PyTorch Weights to a vLLM Model Server ↗Repeatable AI Deployments with Docker, Kubernetes, Helm, and CI/CD ↗Secure MCP Integration Patterns for Customer-Facing AI ↗Why AI Infrastructure Is a Career Move Right Now ↗