Charlie Hills

CLAUDE VS CHATGPT

Claude vs ChatGPT for Marketers

THE SHORT ANSWER

Claude and ChatGPT both handle everyday marketing work. The difference shows in longer jobs: agents that work on your files, builds and repeat processes. The guides below compare them head to head, show how to move your setup across, and cover Codex, OpenAI's answer to Claude Code.

By Charlie Hills, writer of MarTech AI (75,000 readers) · 6 guides · Updated 20/09/2026

FREE GUIDES · 18

Step-by-step guides

The installs, prompts and files behind my posts, newest first. Free to read on this site.

Guide · 10 parts

ChatGPT GIF prompts: turn any photo into a GIF

5 paste-ready ChatGPT prompts that turn a holiday snap, your pet, a doodle or a product shot into a looping GIF, plus the three things every prompt needs and the fix when something moves that shouldn't.Read the guide →
Guide · 8 parts

The ChatGPT Watermark: What It Means for Your Work

What ChatGPT's EU text watermark means for your work, what it can't tell anyone, and 5 prompts that sort your side of it in about 30 minutes.Read the guide →
Guide · 5 parts

How to claim four free months of ChatGPT as a student

Four months of ChatGPT Work for US college students, an $80 value, claim by 31/10/2026. The link, the exact steps, and three things to build with it.Read the guide →
Cheat Sheet · 7 parts

22 ChatGPT photo commands that talk like a photographer

Upload one photo, type a short camera command, and ChatGPT reshoots it: fisheye, slow shutter, zoom burst, top-down, multiple exposure and more. Every command here was tested on a real photo.Read the guide →
Prompt · 5 parts

Make your AI answer in aircraft-manual English

One prompt that makes Claude, ChatGPT or Gemini write like an aircraft manual. Short sentences, one meaning per word.Read the guide →
Prompt · PDF

Turn your Substack into a website Google can find

The full prompt from the Reel. Paste it into Claude Code or Codex, answer six questions, and it builds a website from your Substack posts that Google and ChatGPT can read. Plus the guide: what to answer, what to check, the hosting bill and fixes.Read the guide →
Toolkit · PDF

The website-builder skill: a site Google can find

The Claude Code skill from the Reel. It builds a website from your real work, scores it on 22 checks Google and ChatGPT read, and fixes it until it passes. Includes the install, the prompts that use it and every check in plain English.Read the guide →
Guide · 9 parts

Edit your Reels with GPT-6 Astra + Remotion

Turn a raw talking-head clip into a finished Instagram Reel inside the ChatGPT desktop app. Setup, the exact prompts, what to check and how to fix it.Read the guide →
Toolkit · 6 parts

33 one-word image commands

One paste into a ChatGPT Project turns 33 one-word commands into working image styles. Every one was run before it went on the list.Read the guide →
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QUESTIONS

Common questions

Is Claude better than ChatGPT for marketing?

It depends on the job. 'Claude 5 vs ChatGPT 5.6' compares them head to head.

How do I move from ChatGPT to Claude?

'How to quit ChatGPT' shows how to move across and take everything with you.

What is the difference between Claude Code and Codex?

Both are AI agents that build things on your computer. Claude Code is Anthropic's, Codex is OpenAI's. 'Claude Code → Codex' shows how to run both and keep everything you built. It is free to read.

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