The Oxford AI School Blog

Practical AI, explained simply.

Plain-English guides, tips and news on using AI tools like ChatGPT, Claude, Gemini and Perplexity to save time at work and in your business. Written by Harry Lang and the team. No jargon, no hype — just things you can use today.

5 AI Tasks Every Small Business Should Automate First

When people ask where to start with AI, the honest answer is: start where it saves you the most boring time, fastest. These are the five jobs we help small businesses hand to AI first — in roughly the order they pay off.

1. First drafts of emails and replies

Most teams lose an hour or more a day to the inbox. Paste the message you received, tell the AI the outcome you want and the tone to use, and let it produce a first draft. You stay in control — you read, tweak and send — but you skip the blank-page part that eats the time.

2. Turning notes into finished documents

Meeting notes, voice memos and rough bullet points become clean proposals, summaries and reports in seconds. The trick is to give the AI your raw material and a clear instruction about the format you need, rather than asking it to invent facts.

3. Repurposing one piece of content into many

A single blog post or recorded talk can become a newsletter, five social posts and a short video script. AI is at its best when it is reshaping content you already have, so your marketing output multiplies without multiplying your hours.

4. Researching and summarising

Long PDFs, competitor websites and dense reports can be summarised into the three things you actually need to know. Tools like Claude and Perplexity are excellent here — just remember to sense-check anything you will rely on.

5. Cleaning up and analysing data

Spreadsheets, customer lists and survey responses can be tidied, categorised and analysed in plain English — no formulas required. This is often the task that surprises people most, because it used to need a specialist.

The takeaway: pick one of these, try it this week, and build the habit before adding the next. Most of our clients save 10+ hours per person per week once these five are in place. Want help getting started? See our AI training for business or book a free intro call.

ChatGPT vs Claude vs Gemini: Which AI Should You Actually Use?

It is the question we are asked in almost every session. The honest answer is that the three leading assistants are all excellent, and the best one is usually the one you will actually open. But here is how we help people choose.

ChatGPT (OpenAI)

The best-known and the most versatile all-rounder. Brilliant for brainstorming, images, voice conversations and a huge ecosystem of add-ons. If you want one tool that does a bit of everything and the widest range of features, this is a safe first choice.

Claude (Anthropic)

Our go-to for writing, careful analysis and working with long documents. Claude tends to produce natural, thoughtful prose and is excellent when the quality and tone of the words really matter — proposals, reports, sensitive emails and detailed reading.

Gemini (Google)

The natural pick if you live in Gmail, Docs and the rest of Google Workspace, because it is built right into the tools you already use. Strong for research and for anyone who wants AI woven into their existing day rather than in a separate tab.

So which one?

For most individuals and small teams we suggest starting with one tool, learning it properly, and only adding a second once the first is a habit. Don't agonise over the choice — the gap between the tools is far smaller than the gap between using AI well and not using it at all. We teach all three, and help you match the tool to your actual work.

Explore our programmes to learn ChatGPT, Claude and Gemini hands-on.

How to Write Better AI Prompts: A Beginner's Guide

If your AI answers feel generic, the problem usually isn't the tool — it's the instructions. Here is the simple four-part recipe we teach in every session for getting genuinely useful results out of any AI.

  1. Role — tell the AI who to be. "You are an experienced bookkeeper" or "Act as a friendly copywriter" instantly sharpens the answer.
  2. Task — say exactly what you want it to do, in one clear sentence. Vague in, vague out.
  3. Context — give it the raw material and the background: who it's for, the tone, any facts it must use. This is the step most people skip, and the one that makes the biggest difference.
  4. Format — describe what good looks like: "a 150-word email", "five bullet points", "a table with three columns".

Put together, a weak prompt like "write a marketing email" becomes: "You are a friendly copywriter for a small Oxfordshire bakery. Write a 120-word email announcing our new sourdough, warm and not salesy, ending with a clear call to visit this weekend." The difference in quality is night and day.

One more tip: treat it as a conversation. If the first answer isn't quite right, tell the AI what to change rather than starting again. That back-and-forth is where the real magic happens.

Want to practise live with a coach? See our 1:1 sessions for individuals or join our free weekly forum.