Claude or ChatGPT: which to pick for the task

Three everyday tasks, and what each model brings to them. The choice need not be final when both are reachable from the same account.

For writing

Holds a tone across several pages and follows detailed style instructions. It takes the texts that must stay coherent from beginning to end.

Moves quickly from an idea to a variant and offers several angles on the same paragraph. It is the one to unblock a first draft.

Takes long documents in a single conversation and readily points at the passage its answer came from.

Summarises quickly and answers pointed questions about an excerpt you have already narrowed down.

Follows a refactoring instruction that spans several files and explains what it changed.

Produces a self-contained snippet quickly and offers several ways to write the same function.