How much time does tax AI actually save? An honest estimate
Harvey users report 37 hours per month. Thomson Reuters claims 63% reduction. We looked at the real numbers for Belgian tax research, and built a conservative estimate that doesn't require you to believe marketing claims.
Three regions, three tax systems: why Belgian fiscal advice requires side-by-side comparison
Belgium has three inheritance tax regimes, three gift tax structures, and three registration duty rates. Each has a different reform timeline. Here's what that means for advisors and why no single answer is ever complete.
What is temporal versioning, and why your legal AI tool probably serves you yesterday's law
Belgian tax law changes twice a year minimum. If your AI tool can't tell 2019 from 2026, its answer may be correct for the wrong year. Here's what temporal versioning is and why it matters.
Case study: why one TAK 23 product needs five tax answers
A single TAK 23 life insurance product touches insurance tax, income tax, withholding tax, TOB, and regional inheritance tax. Here's what most advisors, and every AI chatbot, miss.
Why we're not building a chatbot
Chat interfaces feel modern but produce ephemeral, indefensible output. Professional tax research needs structured answers you can file, reproduce, and defend.
What is authority ranking, and why your legal AI tool probably ignores it
A ministerial circular and a Court of Cassation ruling look the same to most AI search systems. That is a fundamental gap, and it makes every answer unreliable.
"I don't trust AI for tax advice." You're right. Here's why you should try it anyway.
AI skepticism in tax is rational. Most tools deserve it. But rejecting the entire category because ChatGPT hallucinated a tax rate is like refusing calculators because the first ones jammed.
5 Belgian tax questions where generic AI is guaranteed to fail
These aren't trick questions. They're routine queries any tax professional faces. But they expose five architectural blind spots that no general-purpose AI can fix with a better prompt.
What is RAG, and why it's not enough for legal AI on its own
How retrieval-augmented generation works, why basic RAG still hallucinates, and what a search-RAG fusion architecture adds for tax professionals.