If you run a content business solo, an AI subscription may already be a line item, and you may only want to pay for one. ChatGPT Plus and Perplexity Pro both help with research. Their prices and plan limits change often, so check OpenAI’s pricing page and Perplexity’s Pro page for what each includes today. We have not run a long head-to-head test, so this is a way to choose, not a verdict.
The core difference
Perplexity is built around search: each query looks up sources and returns a cited answer. ChatGPT is built around conversation: it reasons, drafts and works with files you upload, and can search the web when you ask or when the tool decides to. That distinction matters more than the feature lists.
When a search-first tool fits
Choose it if most of your work is quick, cited answers: checking a claim, finding a source, comparing a handful of pages before you publish. The test is simple: open the sources it cites and check they say what the answer claims.
When a conversation-first tool fits
Choose it if most of your work is drafting, editing, outlining or analysing files you supply. Saved instructions and file upload help with recurring tasks such as reformatting interview notes or summarising a transcript.
How to decide with your own work
Take your last ten research tasks and sort them: how many needed a fast cited fact, and how many needed thinking through or drafting? Run a few of each through the free tier of both tools, check the sources by hand, and pay for whichever one you used for the tasks that cost you the most time.
Neither tool replaces primary research. They summarise what is already published, so anything that needs original data, interviews or firsthand testing still needs you. What has your experience been? Reply and tell us which tasks justified a subscription.