Does ChatGPT with search replace Perplexity?

For a one-off check inside a writing thread, often yes. If your job is several research questions in a row and comparing sources, Perplexity's UX saves friction: less scrolling, more visible citations.

Do I have to open every citation?

Not all of them, but at least two on topics where precision matters. Citations are pointers, not proof: sometimes the link does not support the sentence it sits next to.

What are Perplexity Focus modes for?

They narrow source type: Academic prioritizes papers, Writing prioritizes editorial guides, and so on. They do not replace opening the link, but they cut noise when you know what kind of evidence you need.

When should I use ChatGPT search instead of Perplexity?

When you already have context in the chat (draft, instructions, tone) and only need to verify a figure, date or name. Switch to Perplexity when research is the main step, not a parenthesis.

Perplexity vs ChatGPT search

Two ways to search with AI: one built as a cited search engine, the other as a chat that can search. They do not compete on the same mental screen.

	Perplexity	ChatGPT
Best as a search engine	Answer with numbered references; the flow is search → open → decide	Search inside the chat; useful when you already draft in the same thread
Visible citations	Always in the answer; hard to ignore them	They appear, but long prose buries them unless you look
Search UX	Single-question page; history of research queries	Chat window; search is a mode, not the whole product
Modes / focus	Focus (All, Academic, Writing, etc.) narrows source type	Web search on/off; no equally explicit source profiles
Answer format	Dense summary with short paragraphs and footnotes	Conversational prose; easier to mix opinion with fact
Main risk	A summary that looks verified because it has citation numbers	Fluent text that cites poorly or blends source with inference
Habit that matters	Open at least two sources before copying a figure	Ask explicitly for «only what appears in sources» and check links
When to switch	When you already have facts and need to draft, shift tone or iterate	When the question is only «what do sources say?» and not a deliverable

Verdict

For a bounded question with sources you will actually open, Perplexity wins: the interface pushes citations and follow-up links. ChatGPT with search fits when you are already in a drafting thread and only need to cross-check a fact without switching tools. The usual failure: reading the summary as if it were the source and not opening two citations before deciding.