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Exa API (formerly Metaphor) 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 Exa API (formerly Metaphor). 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, Exa API (formerly Metaphor) leads 1 and Perplexity Sonar API leads 0 across the 1 category they both appear in.

Beyond this pairing, Exa API (formerly Metaphor) 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
  • #7Exa API (formerly Metaphor)New entry at the last close
    Gemini#3
    spread 10
  • #8Perplexity Sonar APINew entry at the last close
    Claude#3
    spread 10

On consensus rank, Exa API (formerly Metaphor) leads here, #7 to Perplexity Sonar API's #8. Every model that separates the two ranks Exa API (formerly Metaphor) ahead. Exa API (formerly Metaphor) 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.

Best AI Search APIs For Developers With Citations

Exa API (formerly Metaphor)

Exa API (formerly Metaphor): Uses neural search rather than keyword search to understand the semantic meaning of queries, making it exceptionally powerful for LLMs needing deep, relevant links.

Gemini

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 Exa API (formerly Metaphor) and Perplexity Sonar API share, the models line up cleanly in 0 and split in the 0 that remain.

Model by model, Gemini is Exa API (formerly Metaphor)'s strongest backer, placing it ahead in 1 of the 1; Claude leans the other way, favoring Perplexity Sonar API in 1.

  • ChatGPTsplit 0-0
  • Claudefavors Perplexity Sonar API 1-0
  • Geminifavors Exa API (formerly Metaphor) 1-0
  • Perplexitysplit 0-0
Exa API (formerly Metaphor) · full AI ranking profileranked in 1 categoryPerplexity Sonar API · full AI ranking profileranked in 1 category