Claude AI Guides
A developer's honest take on how AI actually works.
2026-05-01 · Service
Building Production AI Systems — LLM Applications, RAG Pipelines & Document Intelligence
Independent AI engineer based in Hong Kong. Production LLM applications, RAG pipelines, document intelligence. Project-based engagements.
2026-06-21
Long-Term AI Memory: The Architecture and Engineering Behind HKSoka
Seed, learned, and critical memory layers, proposition-level chunking, bilingual embeddings, hybrid retrieval — a full engineering breakdown of HKSoka's memory architecture.
2026-06-21
Why Enterprises Need an AI Consultant, Not Just Claude or Poe
Already using Claude, ChatGPT, or Poe? Six common functionality gaps and three layers of execution capability gaps, with a framework for choosing self-build vs. a consultant.
2026-07-09 · Tool
AI Automation Cost Calculator
Four numbers, instant monthly HKD comparison of manual vs AI processing. All calculation assumptions disclosed and adjustable.
2026-07-09
Why SME AI Projects Fail: Six Recurring Patterns
The problem is almost never the model. Six recurring structural failure patterns and how to prevent each.
2026-07-09
Fixed-Scope vs Time and Material: How to Price AI Automation Projects
Same project, two pricing models, completely different risk distribution. A contractor's first-hand analysis.
2026-07-09
Hire a Full-Time AI Engineer or Use a Contractor: A Decision Framework
Four decision dimensions and an often-overlooked hybrid model, with an honest case for both sides.
2026-07-09
The True Cost of AI Automation: Four Cost Layers Beyond the Development Quote
The development quote is only the first layer. Four layers to calculate before signing.
2026-07-09
How to Calculate AI Automation Costs: 2026 Method and LLM API Pricing for Hong Kong SMEs
Open formula, disclosed assumptions, and LLM API prices verified in July 2026. Calculate with your own numbers.
2026-07-09
ChatGPT API Pricing 2026: Comparison with Claude, Gemini and HKD Conversion
Subscriptions and API billing are two separate systems. July 2026 official prices from three providers, with HKD conversion.
2026-07-09
AI Document Processing Automation: Converting Unstructured Documents to Structured Data
Four workflow types, five system components, and the honest truth about accuracy rates.
2026-07-09
How to Evaluate an AI Vendor Proposal: A Non-Technical Buyer's Checklist
Zero technical background needed. Three steps: test with your data, three output dimensions, eight contract questions.
2026-07-09
Why Source Code Handover Matters: The Core Buyer Protection Clause
The most overlooked clause in AI contracts — and the one with the largest long-term cost impact.
2026-07-09
An AI Automation Project from Consultation to Delivery: The Complete Six-Stage Workflow
Six stages from requirements to source code handover — what happens, what to do, and what to receive.
2026-07-09
Five Questions to Answer Before AI Adoption
"Should we use AI?" is the wrong first question. Five better ones, answerable in one internal meeting.
2026-07-09
Enterprise Data and AI: Privacy Questions Before Sending Documents to an AI System
Where does your data actually go? Plain-language explanation plus six privacy questions to ask before signing.
2026-06-25
Why AI Projects Fail in Hong Kong: Three Procurement Traps Only an Engineer Can See
It's not the model. It's not the budget. Confidence boundaries, production cost modelling, LLM fallback — three structural problems that don't appear in sales proposals but every engineering design review checks.
2026-06-25
What Is MCP? The New Infrastructure Standard for Enterprise AI Integration in Hong Kong
MCP is appearing in Hong Kong job postings and procurement requirements. For non-technical decision-makers: how this standard affects vendor dependency, expansion cost, and three questions to ask before signing.
2026-06-24
AI Consulting in Hong Kong: Six Questions Before You Buy
The vendor market is expanding fast and proposal language is converging. Six questions to ask before engaging an AI consultant — from process analysis capability to access control design.
2026-06-24
WhatsApp AI Integration in Hong Kong: Five Backend Questions Before Deployment
Meta policy narrows the frontend choice set. What determines system quality is knowledge management, hallucination handling, conversation storage, system integration, and platform dependency — five backend design decisions.
2026-06-24
Copilot, Gemini or Custom System? A Generative AI Decision Framework for Hong Kong Enterprises
88% of Hong Kong enterprise employees already use AI tools, but most usage stays at the individual level. The capability boundaries between Copilot, Gemini, and custom systems are determined by use case, not brand.
2026-06-19
Where Production AI Actually Lives: Why Traditional Enterprises Are the Better AI Consulting Bet
Traditional industries are AI consulting's real blue ocean. Logistics, insurance, finance, manufacturing — real problems, real budgets, missing only the people who can turn workflows into production AI systems.
2026-06-13
When People Leave, Where Does the Knowledge Go? Hong Kong's Most Expensive Hidden Cost in 2026
Staff turnover is not just a headcount problem. Business knowledge buried in emails and WhatsApp can now be made queryable — but architecture needs to be designed for it.
2026-06-13
After AI Delivery: Why Full Source Code Handover Is the Real Ownership Test
How dependency gets designed into AI systems, and how to identify it before you sign. Four verifiable standards for true ownership.
2026-06-13
Your Documents Are Half Chinese, Half English — This Is Where Most AI Systems Fail
Cantonese queries, Traditional Chinese documents, English clauses — why benchmark accuracy doesn't hold in Hong Kong. Three verification actions before you sign.
2026-06-13
"Does My Data Go to America?" — What Hong Kong Businesses Need to Know About AI Data Flows
Consumer ChatGPT and enterprise API are two different frameworks. Data flows, contractual protections, and architecture design — make an informed decision.
2026-06-07
AI Automation for Hong Kong SMEs: Build Once, Own It
HK$300M government funding is entering the market. Why a purpose-built AI system costs less and does more than a subscription stack for SMEs with a clear workflow.
2026-06-07
AI Agents vs Fixed Pipelines: How to Choose the Right Architecture
Every vendor proposal includes "intelligent agents." Why fixed pipelines win on cost predictability, auditability, and fault isolation — plus a single whiteboard test for your use case.
2026-06-07
When an LLM Gets It Wrong: Accountability and Verification in Production AI Systems
Hallucination is a statistical property, not a bug. Retrieval grounding, confidence boundaries, evals, audit logging — and four questions to ask any AI vendor before deploying in a regulated industry.
2026-06-06
Fine-Tuning, RAG, or Prompt Engineering? A Practical Decision Guide for Enterprise Buyers
Most business use cases don't need a custom-trained model. What each approach actually does, the real cost of fine-tuning, and three questions to ask before signing.
2026-06-06
Why You Can't Hire an AI Engineer in Hong Kong — and What the Alternative Looks Like
Large institutions want senior engineers, Web3 wants research skills, and the middle is empty. Why a full-time hire is the wrong structure for most SMEs, and what project-based engagement fixes.
2026-06-05
AI News Monitoring: The Data Source Problem Nobody Quotes You On
LLM summarisation is solved. The real question is what data can legally enter your system. A factual breakdown of public sources, paid subscriptions, and social media before you receive a quote.
2026-04-30
Most People Pick AI by Brand, Not Quality — Gemini's App Store #1 Is a Warning Sign
App Store rankings measure downloads, not accuracy. Gemini's hallucination problem and how to pick the right AI for your use case.
2026-04-30
Same Price, Very Different AI: What HK$155/Month Actually Buys You
ChatGPT Plus, Claude Pro, and Gemini Advanced cost the same — but hallucination rates, memory systems, and reasoning ability differ significantly.
2026-04-30
Your Family Member Has Cancer and You Can't Read the Report — How AI Can Help
Pathology reports, oncology terminology, treatment options — AI isn't your doctor, but it's your best translator. A practical guide for cancer caregivers.
2026-05-01
AI Engineer Hong Kong Freelance: What to Actually Expect in 2026
What production AI engineering actually costs, how long it takes, and how to avoid wasting time on the wrong hire.
2026-04-20
If AI Doesn't Know Who You Are, It's Just a Search Engine
Real AI memory has two layers: what you tell it, and what it learns from every conversation. Without both, it's just answering questions.
2026-04-28
Why AI Memory Is the Most Underrated Feature: Four Mechanisms Compared
Four memory mechanisms, Claude vs ChatGPT vs Gemini, setup guide, contamination risk — why memory is the most underrated AI feature.
2026-04-21
Upload a PDF to Claude and Read It 10x Faster
Contracts, reports, academic papers — practical guide with real prompts and one risk most people overlook.
2026-04-23
Why Does AI Know You Less the Longer You Use It? A Real Comparison of 3 Memory Systems
ChatGPT remembers you but gets the priorities wrong. Claude barely remembers at all. Memory without priority is not real understanding.
2026-04-26
Why Does Claude Feel Different Depending on Where You Use It?
The model hasn't changed — but the parameters might be very different. Context window, web search loops, output limits, memory: four variables most users never see.