Linkup vs Perplexity Sonar API: what AI actually recommends
The same buying questions, run after run, to ChatGPT, Claude, Gemini, and Perplexity: the record of which of these two they name first. No opinions, no scores we invented: what the models said.
AI currently favors Perplexity Sonar API. Ahead in 1 of 1 shared category on consensus rank.
That is the latest close, not a verdict for all time. The model-by-model board below shows where they agree, where they split, and how both brands moved.
At the latest close, Linkup leads 0 and Perplexity Sonar API leads 1 across the 1 category they both appear in.
Beyond this pairing, Linkup is ranked in 1 category; Perplexity Sonar API is ranked in 1 category. The board below is the shared slice, where the four models place these two side by side.
The record, category by category.
Consensus rank · latest close- #8Perplexity Sonar APINew entry at the last closespread 10Claude#3
- #10LinkupNew entry at the last closespread 10Claude#5
On consensus rank, Perplexity Sonar API leads here, #8 to Linkup's #10. 18 to 13 on the 0-100 score. Every model that separates the two ranks Perplexity Sonar API ahead. Perplexity Sonar API is new to the board at this close.
What the models actually said.
The ranking is the answer; these are the words behind it. Every quote is from a recorded model answer — follow the category to read it whole.
Linkup
Linkup — A credible AI-native search layer for production agents, offering sub-second sourced answers or raw context plus an asynchronous research endpoint for detailed reports with inline citations; I would pilot it alongside Exa or Tavily rather than make it my only provider initially.
ChatGPT
Perplexity Sonar API
Perplexity Sonar API — Excellent for the simplest “ask a question, receive a polished web answer with citations” integration, with real-time search, search-result metadata, domain/date controls, streaming, and structured outputs.
ChatGPT
Where the models split.
Across the 1 category Linkup and Perplexity Sonar API both appear in, the models never break ranks: in each one, the same brand leads on ChatGPT, Claude, Gemini, and Perplexity alike.
No model runs against the grain here: each of the four ranks Perplexity Sonar API ahead at least as often as not, with Claude the most lopsided.
- ChatGPTsplit 0-0
- Claudefavors Perplexity Sonar API 1-0
- Geminisplit 0-0
- Perplexitysplit 0-0