Welcome to AI Brief.
We're going to help you work out which AI tools are actually worth your time and which ones you can ignore, in the biggest work revolution in our lifetimes.
We're going to help you work out which AI tools are actually worth your time and which ones you can ignore, in the biggest work revolution in our lifetimes.
People often misunderstand the fundamentals of AI - the customer is human! Therefore the decision in terms of what is "best" is a human decision. There are now dozens of AI assistants, models, subscriptions and stacks competing for your attention and your money. Some are stacks built on AIs, some are completely daft - some are fundamentals and some absolutely MUST be on your radar. Most of the coverage is either written by people trying to sell you something, or by tech enthusiasts who've forgotten what it's like to run a business and just need a decent proposal written by Thursday. So much is slop and technobabble.
AI Brief is neither. We are not AI evangelists. We take sides. We name names. And when something isn't worth it, we'll tell you that too.
Over the next ten issues, we're going to cover everything a serious business person actually needs to know about AI in 2026, not the future of AI, not the philosophy of AI, just the practical reality of what these tools can and can't do for you right now, and what to watch out for.
Here's what's in store.
- Which AI is best? ALREADY PUBLISHED ChatGPT, Claude, Gemini, Copilot and Perplexity: what each one is actually for, in plain English, and what comes out on top.
You've probably heard of most of them. You might have tried one or two. But the honest answer is that they're not interchangeable, and picking the wrong one for the wrong job is why a lot of people conclude AI isn't useful. We line them up and see who comes out ahead.
2. Free vs paid AI: the honest case for spending money on premium AI When the upgrade is genuinely worth it, when it isn't, and which paid plans are quietly terrible value
The free tiers are better than most people realise. The paid tiers are better still — but not always in the ways that are advertised. We break down what you actually get for your money, which subscription makes the most sense for which kind of user, and why one of the major paid plans is hard to justify at any price.
3. ChatGPT vs Claude: which one should write your serious business documents? We test proposals, board notes, long reports and difficult emails. One of them wins clearly.
This is the comparison most business users actually need and almost nobody has done honestly. We ran both through the same real-world writing tasks — the kind that take you two hours and still come out mediocre — and we have a clear view. Spoiler: it depends on what you're writing, and we'll tell you exactly when to use which.
4. The £20 subscription that can save you £500 a month per employee A practical guide to turning one AI account into real time savings — and the habits that make it work.
The maths only works if you use it properly. Most people don't. They ask it a few questions, get something adequate, and go back to doing things themselves. This issue is about the specific workflows that generate the biggest return — and why most people leave most of the value on the table.
5. Can you safely upload business documents into AI? Contracts, client emails, financial data, confidential proposals: what the platforms actually do with your data
This is the question everyone is thinking and not enough people are asking out loud. The answer is more nuanced than either "it's fine" or "never do it" - but there are some things you genuinely shouldn't paste into a chatbot, and some platforms that handle your data better than others. We'll give you a clear framework rather than vague reassurances.
6. Why Perplexity is not ChatGPT and why that matters The real difference between AI assistants and AI search, and why using the wrong one wastes your time
Perplexity, Gemini and Copilot all get lumped together as "AI tools" — but they're built for fundamentally different jobs. Using Perplexity to write a proposal is like using Google Docs to do your accounts. It technically works until it doesn't. This issue maps out which tool belongs in which part of your working day.
7. The five AI workflows every business owner should build first Meeting notes, customer emails, long PDFs, competitor research and proposal writing - the practical starter pack
If you're going to start somewhere, start here. These are the five workflows that deliver the fastest return for the widest range of businesses — chosen not because they're impressive but because they're repeatable, low-risk and immediately useful. Build these five habits and you'll get more value from AI than most people who've been using it for two years.
8. Stop asking AI lazy questions Why most people get poor answers, and the simple prompt structure that changes everything
"Write me a proposal for a new client" is not a brief. It's a wish. The single biggest reason people give up on AI is that they ask it vague questions and get vague answers, then conclude the tool is useless. It isn't. This issue covers the prompt structure we actually use — specific, repeatable and takes about thirty seconds to apply.
9. AI wrote it and it's completely wrong: what to do about hallucination The real risk of AI confidently making things up, and the simple checks that stop it embarrassing you.
Is it still an issues in 2026? Every AI assistant will, at some point, state something false with complete confidence. A statistic that doesn't exist. A case study that never happened. A quote from someone who never said it. This isn't a reason to avoid AI, but it is a reason to understand exactly when and why it happens, and what a sensible verification habit looks like in practice.
10. The AI stack for a serious small business The realistic combination of tools we would actually pay for, what each one does, and what to ignore
By issue ten you'll have a clear picture of the landscape. This is where we put it together — the actual combination of tools that makes sense for a serious small business in 2025, with honest notes on cost, overlap and what to cut. No affiliate links. No sponsored recommendations. Just a straight answer to the question: if you were starting from scratch today, what would you actually buy?
AI Brief publishes weekly. Each issue is one topic, covered properly. No news roundups, no model release announcements, no hype. Just practical intelligence for people who want to use AI well.
