A smartphone screen displays multiple ChatGPT app icons, each with the OpenAI logo on a green background, arranged in a grid. The screen is slightly tilted and appears in low light.

GPT Models Walk Into a Bar…

In AI, Matt's Musings by Matt ChieraLeave a Comment

One writes a blog post.
One solves a math proof.
One draws a chart.

Who’s who?

Let’s break it down with a quick, practical guide to what each OpenAI model does best—so you know exactly which one to turn to for your next task.


GPT-4o: The Multitasking Powerhouse

Best for: Everyday tasks like brainstorming, summarizing, emails, and creative content
Superpower: Fully multimodal — understands and generates text, images, documents, spreadsheets, audio, video, and more.
Plugged in: Yes — GPT-4o works seamlessly with all GPT plugins and tools.

Try prompts like:

  • “Summarize meeting notes into key action items.”
  • “Draft a follow-up email after our project kickoff.”
  • “Proofread my report.”
  • “Brainstorm a launch plan in real time” (even with screenshots or sketches!).

GPT-4.5: The Creative Collaborator

Best for: Writing with emotional intelligence — blogs, copywriting, customer messaging
Superpower: Smooth, expressive language that resonates with readers
Team player: Ideal for collaborative brainstorming sessions

Try prompts like:

  • “Create an engaging blog post about AI trends.”
  • “Write a product description for our new feature launch.”
  • “Develop a customer partnership letter with an empathetic tone.”

o4-mini: The Fast, Technical Assistant

Best for: Quick STEM tasks, programming help, visual problem-solving
Superpower: Lightning-fast responses for technical queries and data work

Try prompts like:

  • “Extract key data points from this CSV.”
  • “Give me a quick summary of this scientific article.”
  • “Fix this Python traceback for me.”

o4-mini-high: The Precision Engineer

Best for: Deep technical work — advanced coding, complex math, scientific concepts
Superpower: High accuracy in problem-solving and detailed technical explanations

Try prompts like:

  • “Solve this complex math problem and explain each step.”
  • “Draft SQL queries to pull customer data.”
  • “Explain quantum entanglement in layman’s terms.”

GPT-4 (o3): The Strategic Analyst

Best for: Big-picture thinking — long documents, multi-step plans, and deep analysis
Superpower: Handles complex logic, long context, and visual reasoning

Try prompts like:

  • “Develop a market-expansion risk analysis.”
  • “Review this 100-page document and extract compliance concerns.”
  • “Forecast next quarter using this CSV and generate charts.”
  • “Visualize our sales funnel and recommend optimizations.”

So, who’s who?

  • The blog post? GPT-4.5.
  • The math proof? o4-mini-high.
  • The chart? GPT-4 (o3).

And that multitasking bar magician juggling docs, screenshots, and CSVs in real time?
That’s GPT-4o.

Ready to pick your model and get started?
Know what you need — then choose the right AI for the job.

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