Serper vs SerpAPI
Serper versus SerpAPI for AI agents — hit@k accuracy, freshness lag, cost per verified-correct answer, and agent-readiness, scored against golden truth.
On the illustrative web_search-2026-q3 snapshot, Serper wins more head-to-head metrics (6 of 6). Serper leads on accuracy; compare cost per verified-correct answer and freshness below.
Head to Head — Web Search
| Metric | Serper | SerpAPI | Winner |
|---|---|---|---|
| hit@1 % | 66.0 | 57.0 | Serper |
| hit@5 % | 81.2 | 73.1 | Serper |
| fresh<30d % | 77.3 | 66.0 | Serper |
| retrievability h | 10.6 | — | Serper |
| cost/correct $ | $0.0041 | $0.0102 | Serper |
| p50 latency ms | 355 | 540 | Serper |
Which Should an Agent Pick?
For accuracy-first agent workloads, the higher hit@5 vendor wins; for cost-sensitive high-volume use, prefer the lower cost-per-correct vendor. Both Serper and SerpAPI should be evaluated on your own query mix — these are illustrative prototype figures.
Illustrative prototype. No verified vendor run has been published yet; every figure here is a placeholder and must not be cited as a measured result. Numbers are replaced when a snapshot’s first full run lands.