GPT-5: The Real Guide to Getting the Most Out of It

GPT-5: The Real Guide to Getting the Most Out of It

August 15, 2025
5
min read

So GPT-5 is here, and as usual, the internet has split into two camps: people who love it, and people who think it’s the worst thing to happen since autocorrect decided to “fix” your texts. Honestly, I think a lot of the hate comes from people not using it correctly. I’ve just spent seven days reading, watching, and pushing GPT-5 to its limits, so here’s the straight-to-the-point guide you actually need.

1. Unlock All the Hidden Models

When you open the model selector, you’ll probably only see:

  • Auto
  • Fast
  • Thinking
  • Pro (if you’re on the $200/month plan)

If you scroll down to "Legacy models," you might spot GPT-4o. But here’s the thing: there’s way more available.

Here’s how to unlock them:

  • Go to Settings
  • Open the General tab
  • Toggle Show additional models

Now, under GPT-5, you’ll see Thinking Mini, which is fantastic for copywriting and lighter creative work.

Which one should you use?

  • Auto: GPT will pick based on complexity. Simple = Fast, complex = Thinking.
  • Thinking: Better for complex, multi-step reasoning.
  • Fast: Cheap, efficient, and surprisingly good. Great default.
  • Thinking Mini: Like Thinking, but lighter and faster.

OpenAI’s routing system tends to pick the cheaper (Fast) option if possible. You can always start a chat with Thinking for context, then switch to Fast to save time and credits.

And yes, if you’re still emotionally attached to old favorites like GPT-4.1 or GPT-3.5, they live in the Legacy models section. OpenAI brought them back after a very vocal backlash.

2. Play With the New Personalities

GPT-5 now lets you pick a built-in personality. At first, I thought these were a bit of a gimmick, but the more I use them, the more I realize they’re surprisingly useful:

  • Cynic: Snarky, blunt, and great for no-nonsense feedback. My personal favorite.
  • Robot: Zero small talk. Just gets to the point. Perfect for coding or rapid drafting.
  • Listener: Supportive and empathetic. Weird to say about an AI, but some people genuinely use it for emotional support.
  • Nerd: Excited, thorough, and detail-obsessed. Perfect for learning something in depth.

Switch them up and see which fits your workflow. I’ve found Cynic is great for constructive criticism, and Robot is a huge time saver.

You can access all these personalities by going to the Customize ChatGPT.

3. Use the Canvas Feature for Apps and Dashboards

Canvas is GPT-5’s built-in interactive workspace. You can:

  • Build games
  • Create data dashboards
  • Make interactive reports

You can share these with anyone, even if they don’t have a ChatGPT account. This makes it a goldmine for lead generation, imagine sending an interactive report that doubles as a pitch.

4. (Gimmick Alert) Change Your Highlight Colour

It’s cosmetic, not functional, but you can change your GPT interface accent colour to blue, green, yellow, pink, orange, or purple. It’s the kind of feature Apple would hype up as a major release, even though it won’t make GPT-5 any smarter. Still, it does make the workspace feel less sterile.

5. Use the Prompt Enhancer to Fix Bad Prompts

If GPT-5 isn’t giving you what you want, stop blaming the model. Prompting is just communication, and bad prompts = bad results. OpenAI’s Prompt Enhancer (available in the Playground) takes your vague or poorly written prompt and turns it into something far more specific.

Poorly defined prompts are one of the biggest reasons people fail to get good AI outputs. In fact, research shows that improving prompt clarity can boost task accuracy by up to 30% (Stanford HAI). Use the enhancer and you’ll instantly see better results.

Bottom line: GPT-5 is incredibly capable, but only if you unlock all the tools and actually use them. Stop treating it like a magic trick and start treating it like the power tool it is.

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Nico Gorrono
SEO and AI Automation Expert

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