Head to head
Clinicaltrialsgov vs HasData DuckDuckGo
Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.
No reviews yet
Search ClinicalTrials.gov — find studies, retrieve results, match patients to eligible trials.
Full listing
No reviews yet
DuckDuckGo search as JSON. Ranked results, ads in their own array, 37 regions.
Full listingThe short version
Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. Both score close on the safety scan (93 and 100 out of 100). Clinicaltrialsgov has noticeably more public adoption.
| Clinicaltrialsgov | HasData DuckDuckGo | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | A93/100 | A100/100 |
| Adoption | Established | Growing |
| GitHub stars | 94 | 6 |
| Downloads / week | 5.8k | 94 |
| Runs where | Hosted (remote) | Hosted (remote) |
| Gateway-ready | Yes | Yes |
| Tools | 7 | — |
| Write actions | — | — |
| Price per call | Free | Free |
| Licence | Apache-2.0 | MIT |
| Last release | 2026-09-18 | 2026-09-14 |
| Category | Web search | Web search |