Which one builds the tool?
Claude Code, if the goal is a working tool: it runs in your project, edits the files, and iterates until the thing works. ChatGPT is a strong explainer and snippet generator — and its Codex agent narrows the gap — but the copy-paste loop makes it the slower path from idea to shipped for multi-step builds.
Claude Code vs ChatGPT, side by side.
| Option | What it is | Price | Works in your files | Best for |
|---|---|---|---|---|
| Claude Code | A coding agent in the terminal, desktop app, or web | Included with Claude Pro — $17 per month billed annually | Yes — edits files, runs commands, iterates in place | Building and shipping actual projects end to end |
| ChatGPT | A chat assistant, with the Codex agent on paid plans | Free tier; Go $8; Plus $20 per month | Chat, no — you copy code out; Codex adds agent runs | Explanations, quick snippets, and learning as you go |
When ChatGPT is enough.
Learning what an approach means, generating a function you will place yourself, or debugging one pasted error — the conversational loop is fast and the free tier covers plenty of it. If you are already paying for Plus, Codex gives you a real agent too, and staying in one subscription is a fair call.
When Claude Code wins.
Anything with more than a few files or a few rounds of iteration. "Build this tool, test it, fix the Safari bug, add dark mode" is one conversation in Claude Code because the agent holds the project, not just the chat. Every free tool on this site shipped that way — the tiny-web-tool guide is the exact workflow, and the launch-check guide is the audit step.
Get started with Claude Code.
Claude Pro includes Claude Code at $17 a month billed annually — this Claude referral link gets you started.