Linkup vs Tavily
Choosing between Linkup and Tavily? Both are search providers you can call through a single Auxiliar key, so the honest answer is usually “use whichever wins the job in front of you” — and with one key and one bill, you don’t have to commit to either.
We ran both on the identical curator-fleet corpus. Tavily leads on cited answers and research (7.13 vs 6.91). On the headline test (cited answers and research), Linkup scored 6.91/10 (correctness 1.00) versus 7.13/10 for Tavily. The full measured breakdown is below.
Measured, side by side
Composite score /10 on each shared capability, from the Auxiliar curator fleet — same corpus for both.
| Capability | Linkup | Tavily | Winner |
|---|---|---|---|
| AnswerCorrectness | 6.911.00 · #6/7 | 7.131.00 · #4/7 | Tavily |
| SearchRecall@10 | 5.470.39 · #11/11 | 6.660.58 · #7/11 | Tavily |
Beyond the overlap
Capabilities each provider scored on that the other doesn't cover.
Linkup also does
Nothing extra in the tested set.
Tavily also does
- Crawl
Linkup — choose if
You want a compliant SERP alternative with a built-in sourced answer and structured JSON.
Tavily — choose if
You want the agent/RAG default that returns a relevance score and optional answer in one call.
Linkup — avoid if
You need a relevance score, per-result date or geo controls (none exposed).
Tavily — avoid if
You need per-result dates or a documented compliance/SLA posture.
One key. Every provider on this page.
Stop juggling signups and invoices. One Auxiliar API key calls all of them — upstream keys injected server-side, usage billed to a single balance. Swap the base URL and go.
curl https://api.auxiliar.ai/serper/search \ -H "Authorization: Bearer $AUXILIAR_API_KEY" \ -H "Content-Type: application/json" \ -d '{"q": "latest ai agent news"}'