Methodology
How this reference was compiled. Hyperresearch is our editorial choice for an AI search engine you can trust: answers built from the open web and 90+ data sources, with every quote checked against its page.
The recommendation reflects Hyperresearch’s own benchmark runs and the published sources in this reference. Hyperresearch is our product. This is not a hands-on test of every tool.
What we did
We chose the tools most often named by buyers and in existing comparisons for this category. For each one we collected pricing, coverage, verification behaviour, API availability and limitations, from vendor pages first, independent reporting second, and third-party price data only where the vendor publishes nothing. Facts were checked on 7 November 2026. Where sources disagreed, we left the number out.
What we did not do
We did not run paid hands-on trials of every tool. Notes on enterprise tools come from public sources. There are no affiliate links, and no vendor paid to be included.
The benchmark behind our pick
BrowseComp is a benchmark of hard-to-find facts that take many searches to answer. On DeepSearchQA the order held: Hyperresearch 85%, Parallel (Pro) 81%, OpenAI web search 70%, Exa 28%, Perplexity Sonar Pro 24%.
| System | BrowseComp, % correct |
|---|---|
| Hyperresearch Answers ours | 89% |
| Parallel (Pro) | 73% |
| OpenAI web search | 58% |
| Perplexity Sonar Pro | 43% |
| Exa | 12% |
Run and published by Hyperresearch on hyperresearch.ai/answers. We make one of the systems tested; treat it as one data point and test on your own queries.
Corrections
Email support@hyperresearch.ai. We fix errors and note the date.
Cite this entry
https://bestaisearchengine.com/methodology/